Home / 141,747.52-195,602.29-78,085.32

Finding the Fourth Proportional to 141,747.52, 195,602.29 and 78,085.32

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Solution

The fourth proportional to 141,747.52, 195,602.29 and 78,085.32 is: 107,752.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,747.52 : 195,602.29 = 78,085.32 : x
  2. Step 2: Convert to fraction form
    141,747.52/195,602.29 = 78,085.32/x
  3. Step 3: Cross multiply
    141,747.52x = 195,602.29 × 78,085.32
  4. Step 4: Simplify right side
    141,747.52x = 15,273,667,407.38
  5. Step 5: Solve for x
    x = 15,273,667,407.38/141,747.52
  6. Step 6: Final answer
    x = 107,752.63

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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.