Home / 373,976.40-516,128.04-230,732.72

Finding the Fourth Proportional to 373,976.40, 516,128.04 and 230,732.72

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Solution

The fourth proportional to 373,976.40, 516,128.04 and 230,732.72 is: 318,436.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,976.40 : 516,128.04 = 230,732.72 : x
  2. Step 2: Convert to fraction form
    373,976.40/516,128.04 = 230,732.72/x
  3. Step 3: Cross multiply
    373,976.40x = 516,128.04 × 230,732.72
  4. Step 4: Simplify right side
    373,976.40x = 119,087,626,537.47
  5. Step 5: Solve for x
    x = 119,087,626,537.47/373,976.40
  6. Step 6: Final answer
    x = 318,436.21

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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.