Home / 141,817.47-195,708.15-77,286.74

Finding the Fourth Proportional to 141,817.47, 195,708.15 and 77,286.74

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Solution

The fourth proportional to 141,817.47, 195,708.15 and 77,286.74 is: 106,655.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,817.47 : 195,708.15 = 77,286.74 : x
  2. Step 2: Convert to fraction form
    141,817.47/195,708.15 = 77,286.74/x
  3. Step 3: Cross multiply
    141,817.47x = 195,708.15 × 77,286.74
  4. Step 4: Simplify right side
    141,817.47x = 15,125,643,926.39
  5. Step 5: Solve for x
    x = 15,125,643,926.39/141,817.47
  6. Step 6: Final answer
    x = 106,655.72

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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.