Home / 121,349.22-182,105.85-42,464.13

Finding the Fourth Proportional to 121,349.22, 182,105.85 and 42,464.13

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Solution

The fourth proportional to 121,349.22, 182,105.85 and 42,464.13 is: 63,724.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,349.22 : 182,105.85 = 42,464.13 : x
  2. Step 2: Convert to fraction form
    121,349.22/182,105.85 = 42,464.13/x
  3. Step 3: Cross multiply
    121,349.22x = 182,105.85 × 42,464.13
  4. Step 4: Simplify right side
    121,349.22x = 7,732,966,488.16
  5. Step 5: Solve for x
    x = 7,732,966,488.16/121,349.22
  6. Step 6: Final answer
    x = 63,724.90

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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.