Home / 95,426.10-143,139.15-74,430.90

Finding the Fourth Proportional to 95,426.10, 143,139.15 and 74,430.90

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Solution

The fourth proportional to 95,426.10, 143,139.15 and 74,430.90 is: 111,646.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,426.10 : 143,139.15 = 74,430.90 : x
  2. Step 2: Convert to fraction form
    95,426.10/143,139.15 = 74,430.90/x
  3. Step 3: Cross multiply
    95,426.10x = 143,139.15 × 74,430.90
  4. Step 4: Simplify right side
    95,426.10x = 10,653,975,759.74
  5. Step 5: Solve for x
    x = 10,653,975,759.74/95,426.10
  6. Step 6: Final answer
    x = 111,646.35

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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.