Home / 141,011.17-194,583.09-80,569.78

Finding the Fourth Proportional to 141,011.17, 194,583.09 and 80,569.78

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Solution

The fourth proportional to 141,011.17, 194,583.09 and 80,569.78 is: 111,179.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,011.17 : 194,583.09 = 80,569.78 : x
  2. Step 2: Convert to fraction form
    141,011.17/194,583.09 = 80,569.78/x
  3. Step 3: Cross multiply
    141,011.17x = 194,583.09 × 80,569.78
  4. Step 4: Simplify right side
    141,011.17x = 15,677,516,753.02
  5. Step 5: Solve for x
    x = 15,677,516,753.02/141,011.17
  6. Step 6: Final answer
    x = 111,179.25

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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.