Home / 141,354.16-195,069.96-77,693.44

Finding the Fourth Proportional to 141,354.16, 195,069.96 and 77,693.44

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Solution

The fourth proportional to 141,354.16, 195,069.96 and 77,693.44 is: 107,217.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,354.16 : 195,069.96 = 77,693.44 : x
  2. Step 2: Convert to fraction form
    141,354.16/195,069.96 = 77,693.44/x
  3. Step 3: Cross multiply
    141,354.16x = 195,069.96 × 77,693.44
  4. Step 4: Simplify right side
    141,354.16x = 15,155,656,233.06
  5. Step 5: Solve for x
    x = 15,155,656,233.06/141,354.16
  6. Step 6: Final answer
    x = 107,217.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.