Home / 107,225.92-147,874.89-66,943.36

Finding the Fourth Proportional to 107,225.92, 147,874.89 and 66,943.36

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Solution

The fourth proportional to 107,225.92, 147,874.89 and 66,943.36 is: 92,321.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,225.92 : 147,874.89 = 66,943.36 : x
  2. Step 2: Convert to fraction form
    107,225.92/147,874.89 = 66,943.36/x
  3. Step 3: Cross multiply
    107,225.92x = 147,874.89 × 66,943.36
  4. Step 4: Simplify right side
    107,225.92x = 9,899,241,996.23
  5. Step 5: Solve for x
    x = 9,899,241,996.23/107,225.92
  6. Step 6: Final answer
    x = 92,321.35

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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.