Home / 102,355.35-141,250.67-59,343.20

Finding the Fourth Proportional to 102,355.35, 141,250.67 and 59,343.20

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Solution

The fourth proportional to 102,355.35, 141,250.67 and 59,343.20 is: 81,893.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,355.35 : 141,250.67 = 59,343.20 : x
  2. Step 2: Convert to fraction form
    102,355.35/141,250.67 = 59,343.20/x
  3. Step 3: Cross multiply
    102,355.35x = 141,250.67 × 59,343.20
  4. Step 4: Simplify right side
    102,355.35x = 8,382,266,759.94
  5. Step 5: Solve for x
    x = 8,382,266,759.94/102,355.35
  6. Step 6: Final answer
    x = 81,893.78

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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.