Home / 514,152.12-771,124.50-140,126.52

Finding the Fourth Proportional to 514,152.12, 771,124.50 and 140,126.52

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Solution

The fourth proportional to 514,152.12, 771,124.50 and 140,126.52 is: 210,161.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,152.12 : 771,124.50 = 140,126.52 : x
  2. Step 2: Convert to fraction form
    514,152.12/771,124.50 = 140,126.52/x
  3. Step 3: Cross multiply
    514,152.12x = 771,124.50 × 140,126.52
  4. Step 4: Simplify right side
    514,152.12x = 108,054,992,671.74
  5. Step 5: Solve for x
    x = 108,054,992,671.74/514,152.12
  6. Step 6: Final answer
    x = 210,161.52

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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.