Home / 144,179.64-198,984.69-119,937.78

Finding the Fourth Proportional to 144,179.64, 198,984.69 and 119,937.78

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Solution

The fourth proportional to 144,179.64, 198,984.69 and 119,937.78 is: 165,528.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,179.64 : 198,984.69 = 119,937.78 : x
  2. Step 2: Convert to fraction form
    144,179.64/198,984.69 = 119,937.78/x
  3. Step 3: Cross multiply
    144,179.64x = 198,984.69 × 119,937.78
  4. Step 4: Simplify right side
    144,179.64x = 23,865,781,972.59
  5. Step 5: Solve for x
    x = 23,865,781,972.59/144,179.64
  6. Step 6: Final answer
    x = 165,528.10

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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.