Home / 141,818.97-195,710.22-77,288.24

Finding the Fourth Proportional to 141,818.97, 195,710.22 and 77,288.24

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Solution

The fourth proportional to 141,818.97, 195,710.22 and 77,288.24 is: 106,657.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,818.97 : 195,710.22 = 77,288.24 : x
  2. Step 2: Convert to fraction form
    141,818.97/195,710.22 = 77,288.24/x
  3. Step 3: Cross multiply
    141,818.97x = 195,710.22 × 77,288.24
  4. Step 4: Simplify right side
    141,818.97x = 15,126,097,475.26
  5. Step 5: Solve for x
    x = 15,126,097,475.26/141,818.97
  6. Step 6: Final answer
    x = 106,657.79

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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.