Home / 150,269.28-207,371.28-86,606.64

Finding the Fourth Proportional to 150,269.28, 207,371.28 and 86,606.64

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Solution

The fourth proportional to 150,269.28, 207,371.28 and 86,606.64 is: 119,516.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,269.28 : 207,371.28 = 86,606.64 : x
  2. Step 2: Convert to fraction form
    150,269.28/207,371.28 = 86,606.64/x
  3. Step 3: Cross multiply
    150,269.28x = 207,371.28 × 86,606.64
  4. Step 4: Simplify right side
    150,269.28x = 17,959,729,793.30
  5. Step 5: Solve for x
    x = 17,959,729,793.30/150,269.28
  6. Step 6: Final answer
    x = 119,516.98

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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.