Home / 240,549.12-360,906.48-107,521.20

Finding the Fourth Proportional to 240,549.12, 360,906.48 and 107,521.20

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Solution

The fourth proportional to 240,549.12, 360,906.48 and 107,521.20 is: 161,318.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,549.12 : 360,906.48 = 107,521.20 : x
  2. Step 2: Convert to fraction form
    240,549.12/360,906.48 = 107,521.20/x
  3. Step 3: Cross multiply
    240,549.12x = 360,906.48 × 107,521.20
  4. Step 4: Simplify right side
    240,549.12x = 38,805,097,817.38
  5. Step 5: Solve for x
    x = 38,805,097,817.38/240,549.12
  6. Step 6: Final answer
    x = 161,318.81

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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.