Home / 150,036.16-225,164.96-71,150.56

Finding the Fourth Proportional to 150,036.16, 225,164.96 and 71,150.56

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Solution

The fourth proportional to 150,036.16, 225,164.96 and 71,150.56 is: 106,778.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,036.16 : 225,164.96 = 71,150.56 : x
  2. Step 2: Convert to fraction form
    150,036.16/225,164.96 = 71,150.56/x
  3. Step 3: Cross multiply
    150,036.16x = 225,164.96 × 71,150.56
  4. Step 4: Simplify right side
    150,036.16x = 16,020,612,996.38
  5. Step 5: Solve for x
    x = 16,020,612,996.38/150,036.16
  6. Step 6: Final answer
    x = 106,778.35

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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.