Home / 583,432.10-875,148.15-140,200.10

Finding the Fourth Proportional to 583,432.10, 875,148.15 and 140,200.10

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Solution

The fourth proportional to 583,432.10, 875,148.15 and 140,200.10 is: 210,300.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,432.10 : 875,148.15 = 140,200.10 : x
  2. Step 2: Convert to fraction form
    583,432.10/875,148.15 = 140,200.10/x
  3. Step 3: Cross multiply
    583,432.10x = 875,148.15 × 140,200.10
  4. Step 4: Simplify right side
    583,432.10x = 122,695,858,144.82
  5. Step 5: Solve for x
    x = 122,695,858,144.82/583,432.10
  6. Step 6: Final answer
    x = 210,300.15

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.