Home / 141,258.40-194,937.12-77,597.44

Finding the Fourth Proportional to 141,258.40, 194,937.12 and 77,597.44

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Solution

The fourth proportional to 141,258.40, 194,937.12 and 77,597.44 is: 107,084.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,258.40 : 194,937.12 = 77,597.44 : x
  2. Step 2: Convert to fraction form
    141,258.40/194,937.12 = 77,597.44/x
  3. Step 3: Cross multiply
    141,258.40x = 194,937.12 × 77,597.44
  4. Step 4: Simplify right side
    141,258.40x = 15,126,621,472.97
  5. Step 5: Solve for x
    x = 15,126,621,472.97/141,258.40
  6. Step 6: Final answer
    x = 107,084.76

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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.