Home / 155,116.62-232,711.38-49,931.64

Finding the Fourth Proportional to 155,116.62, 232,711.38 and 49,931.64

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Solution

The fourth proportional to 155,116.62, 232,711.38 and 49,931.64 is: 74,909.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,116.62 : 232,711.38 = 49,931.64 : x
  2. Step 2: Convert to fraction form
    155,116.62/232,711.38 = 49,931.64/x
  3. Step 3: Cross multiply
    155,116.62x = 232,711.38 × 49,931.64
  4. Step 4: Simplify right side
    155,116.62x = 11,619,660,850.06
  5. Step 5: Solve for x
    x = 11,619,660,850.06/155,116.62
  6. Step 6: Final answer
    x = 74,909.19

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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.