Home / 153,010.10-229,515.15-105,770.90

Finding the Fourth Proportional to 153,010.10, 229,515.15 and 105,770.90

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Solution

The fourth proportional to 153,010.10, 229,515.15 and 105,770.90 is: 158,656.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,010.10 : 229,515.15 = 105,770.90 : x
  2. Step 2: Convert to fraction form
    153,010.10/229,515.15 = 105,770.90/x
  3. Step 3: Cross multiply
    153,010.10x = 229,515.15 × 105,770.90
  4. Step 4: Simplify right side
    153,010.10x = 24,276,023,979.14
  5. Step 5: Solve for x
    x = 24,276,023,979.14/153,010.10
  6. Step 6: Final answer
    x = 158,656.35

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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.