Home / 141,253.56-194,931.35-76,724.06

Finding the Fourth Proportional to 141,253.56, 194,931.35 and 76,724.06

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Solution

The fourth proportional to 141,253.56, 194,931.35 and 76,724.06 is: 105,879.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,253.56 : 194,931.35 = 76,724.06 : x
  2. Step 2: Convert to fraction form
    141,253.56/194,931.35 = 76,724.06/x
  3. Step 3: Cross multiply
    141,253.56x = 194,931.35 × 76,724.06
  4. Step 4: Simplify right side
    141,253.56x = 14,955,924,593.28
  5. Step 5: Solve for x
    x = 14,955,924,593.28/141,253.56
  6. Step 6: Final answer
    x = 105,879.98

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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.