Home / 102,243.33-141,098.91-55,679.26

Finding the Fourth Proportional to 102,243.33, 141,098.91 and 55,679.26

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Solution

The fourth proportional to 102,243.33, 141,098.91 and 55,679.26 is: 76,839.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,243.33 : 141,098.91 = 55,679.26 : x
  2. Step 2: Convert to fraction form
    102,243.33/141,098.91 = 55,679.26/x
  3. Step 3: Cross multiply
    102,243.33x = 141,098.91 × 55,679.26
  4. Step 4: Simplify right side
    102,243.33x = 7,856,282,895.61
  5. Step 5: Solve for x
    x = 7,856,282,895.61/102,243.33
  6. Step 6: Final answer
    x = 76,839.07

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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.