Home / 141,318.06-195,016.71-77,654.49

Finding the Fourth Proportional to 141,318.06, 195,016.71 and 77,654.49

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Solution

The fourth proportional to 141,318.06, 195,016.71 and 77,654.49 is: 107,161.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,318.06 : 195,016.71 = 77,654.49 : x
  2. Step 2: Convert to fraction form
    141,318.06/195,016.71 = 77,654.49/x
  3. Step 3: Cross multiply
    141,318.06x = 195,016.71 × 77,654.49
  4. Step 4: Simplify right side
    141,318.06x = 15,143,923,156.53
  5. Step 5: Solve for x
    x = 15,143,923,156.53/141,318.06
  6. Step 6: Final answer
    x = 107,161.98

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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.