Home / 141,071.17-194,677.68-77,410.03

Finding the Fourth Proportional to 141,071.17, 194,677.68 and 77,410.03

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Solution

The fourth proportional to 141,071.17, 194,677.68 and 77,410.03 is: 106,825.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,071.17 : 194,677.68 = 77,410.03 : x
  2. Step 2: Convert to fraction form
    141,071.17/194,677.68 = 77,410.03/x
  3. Step 3: Cross multiply
    141,071.17x = 194,677.68 × 77,410.03
  4. Step 4: Simplify right side
    141,071.17x = 15,070,005,049.13
  5. Step 5: Solve for x
    x = 15,070,005,049.13/141,071.17
  6. Step 6: Final answer
    x = 106,825.55

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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.