Home / 140,892.41-194,439.02-77,232.89

Finding the Fourth Proportional to 140,892.41, 194,439.02 and 77,232.89

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Solution

The fourth proportional to 140,892.41, 194,439.02 and 77,232.89 is: 106,585.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,892.41 : 194,439.02 = 77,232.89 : x
  2. Step 2: Convert to fraction form
    140,892.41/194,439.02 = 77,232.89/x
  3. Step 3: Cross multiply
    140,892.41x = 194,439.02 × 77,232.89
  4. Step 4: Simplify right side
    140,892.41x = 15,017,087,543.30
  5. Step 5: Solve for x
    x = 15,017,087,543.30/140,892.41
  6. Step 6: Final answer
    x = 106,585.50

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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.