Home / 124,438.92-170,351.85-123,549.54

Finding the Fourth Proportional to 124,438.92, 170,351.85 and 123,549.54

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Solution

The fourth proportional to 124,438.92, 170,351.85 and 123,549.54 is: 169,134.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,438.92 : 170,351.85 = 123,549.54 : x
  2. Step 2: Convert to fraction form
    124,438.92/170,351.85 = 123,549.54/x
  3. Step 3: Cross multiply
    124,438.92x = 170,351.85 × 123,549.54
  4. Step 4: Simplify right side
    124,438.92x = 21,046,892,705.65
  5. Step 5: Solve for x
    x = 21,046,892,705.65/124,438.92
  6. Step 6: Final answer
    x = 169,134.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.