Home / 141,336.59-195,044.64-77,673.02

Finding the Fourth Proportional to 141,336.59, 195,044.64 and 77,673.02

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Solution

The fourth proportional to 141,336.59, 195,044.64 and 77,673.02 is: 107,188.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,336.59 : 195,044.64 = 77,673.02 : x
  2. Step 2: Convert to fraction form
    141,336.59/195,044.64 = 77,673.02/x
  3. Step 3: Cross multiply
    141,336.59x = 195,044.64 × 77,673.02
  4. Step 4: Simplify right side
    141,336.59x = 15,149,706,223.61
  5. Step 5: Solve for x
    x = 15,149,706,223.61/141,336.59
  6. Step 6: Final answer
    x = 107,188.85

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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.