Home / 239,855.13-359,719.96-71,330.04

Finding the Fourth Proportional to 239,855.13, 359,719.96 and 71,330.04

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Solution

The fourth proportional to 239,855.13, 359,719.96 and 71,330.04 is: 106,976.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,855.13 : 359,719.96 = 71,330.04 : x
  2. Step 2: Convert to fraction form
    239,855.13/359,719.96 = 71,330.04/x
  3. Step 3: Cross multiply
    239,855.13x = 359,719.96 × 71,330.04
  4. Step 4: Simplify right side
    239,855.13x = 25,658,839,135.60
  5. Step 5: Solve for x
    x = 25,658,839,135.60/239,855.13
  6. Step 6: Final answer
    x = 106,976.40

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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.