Home / 150,077.62-225,116.76-61,331.12

Finding the Fourth Proportional to 150,077.62, 225,116.76 and 61,331.12

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Solution

The fourth proportional to 150,077.62, 225,116.76 and 61,331.12 is: 91,996.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,077.62 : 225,116.76 = 61,331.12 : x
  2. Step 2: Convert to fraction form
    150,077.62/225,116.76 = 61,331.12/x
  3. Step 3: Cross multiply
    150,077.62x = 225,116.76 × 61,331.12
  4. Step 4: Simplify right side
    150,077.62x = 13,806,663,021.57
  5. Step 5: Solve for x
    x = 13,806,663,021.57/150,077.62
  6. Step 6: Final answer
    x = 91,996.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.