Home / 102,245.33-141,101.67-55,681.26

Finding the Fourth Proportional to 102,245.33, 141,101.67 and 55,681.26

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Solution

The fourth proportional to 102,245.33, 141,101.67 and 55,681.26 is: 76,841.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,245.33 : 141,101.67 = 55,681.26 : x
  2. Step 2: Convert to fraction form
    102,245.33/141,101.67 = 55,681.26/x
  3. Step 3: Cross multiply
    102,245.33x = 141,101.67 × 55,681.26
  4. Step 4: Simplify right side
    102,245.33x = 7,856,718,773.70
  5. Step 5: Solve for x
    x = 7,856,718,773.70/102,245.33
  6. Step 6: Final answer
    x = 76,841.83

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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.