Home / 141,213.66-194,877.95-77,551.71

Finding the Fourth Proportional to 141,213.66, 194,877.95 and 77,551.71

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Solution

The fourth proportional to 141,213.66, 194,877.95 and 77,551.71 is: 107,023.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,213.66 : 194,877.95 = 77,551.71 : x
  2. Step 2: Convert to fraction form
    141,213.66/194,877.95 = 77,551.71/x
  3. Step 3: Cross multiply
    141,213.66x = 194,877.95 × 77,551.71
  4. Step 4: Simplify right side
    141,213.66x = 15,113,117,876.04
  5. Step 5: Solve for x
    x = 15,113,117,876.04/141,213.66
  6. Step 6: Final answer
    x = 107,023.06

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1.5x scale

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.