Home / 141,816.47-195,706.77-77,285.73

Finding the Fourth Proportional to 141,816.47, 195,706.77 and 77,285.73

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Solution

The fourth proportional to 141,816.47, 195,706.77 and 77,285.73 is: 106,654.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,816.47 : 195,706.77 = 77,285.73 : x
  2. Step 2: Convert to fraction form
    141,816.47/195,706.77 = 77,285.73/x
  3. Step 3: Cross multiply
    141,816.47x = 195,706.77 × 77,285.73
  4. Step 4: Simplify right side
    141,816.47x = 15,125,340,585.39
  5. Step 5: Solve for x
    x = 15,125,340,585.39/141,816.47
  6. Step 6: Final answer
    x = 106,654.33

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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.