Home / 156,066.92-234,107.05-61,317.62

Finding the Fourth Proportional to 156,066.92, 234,107.05 and 61,317.62

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Solution

The fourth proportional to 156,066.92, 234,107.05 and 61,317.62 is: 91,979.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,066.92 : 234,107.05 = 61,317.62 : x
  2. Step 2: Convert to fraction form
    156,066.92/234,107.05 = 61,317.62/x
  3. Step 3: Cross multiply
    156,066.92x = 234,107.05 × 61,317.62
  4. Step 4: Simplify right side
    156,066.92x = 14,354,887,131.22
  5. Step 5: Solve for x
    x = 14,354,887,131.22/156,066.92
  6. Step 6: Final answer
    x = 91,979.05

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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.