Home / 141,551.43-195,347.40-87,853.74

Finding the Fourth Proportional to 141,551.43, 195,347.40 and 87,853.74

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Solution

The fourth proportional to 141,551.43, 195,347.40 and 87,853.74 is: 121,242.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,551.43 : 195,347.40 = 87,853.74 : x
  2. Step 2: Convert to fraction form
    141,551.43/195,347.40 = 87,853.74/x
  3. Step 3: Cross multiply
    141,551.43x = 195,347.40 × 87,853.74
  4. Step 4: Simplify right side
    141,551.43x = 17,161,999,689.28
  5. Step 5: Solve for x
    x = 17,161,999,689.28/141,551.43
  6. Step 6: Final answer
    x = 121,242.15

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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.