Home / 141,092.34-194,711.22-77,432.40

Finding the Fourth Proportional to 141,092.34, 194,711.22 and 77,432.40

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Solution

The fourth proportional to 141,092.34, 194,711.22 and 77,432.40 is: 106,858.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,092.34 : 194,711.22 = 77,432.40 : x
  2. Step 2: Convert to fraction form
    141,092.34/194,711.22 = 77,432.40/x
  3. Step 3: Cross multiply
    141,092.34x = 194,711.22 × 77,432.40
  4. Step 4: Simplify right side
    141,092.34x = 15,076,957,071.53
  5. Step 5: Solve for x
    x = 15,076,957,071.53/141,092.34
  6. Step 6: Final answer
    x = 106,858.79

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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.