Home / 141,947.76-195,838.44-90,988.58

Finding the Fourth Proportional to 141,947.76, 195,838.44 and 90,988.58

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Solution

The fourth proportional to 141,947.76, 195,838.44 and 90,988.58 is: 125,532.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,947.76 : 195,838.44 = 90,988.58 : x
  2. Step 2: Convert to fraction form
    141,947.76/195,838.44 = 90,988.58/x
  3. Step 3: Cross multiply
    141,947.76x = 195,838.44 × 90,988.58
  4. Step 4: Simplify right side
    141,947.76x = 17,819,062,251.20
  5. Step 5: Solve for x
    x = 17,819,062,251.20/141,947.76
  6. Step 6: Final answer
    x = 125,532.54

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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.