Home / 457,332.30-685,998.45-141,821.10

Finding the Fourth Proportional to 457,332.30, 685,998.45 and 141,821.10

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Solution

The fourth proportional to 457,332.30, 685,998.45 and 141,821.10 is: 212,731.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,332.30 : 685,998.45 = 141,821.10 : x
  2. Step 2: Convert to fraction form
    457,332.30/685,998.45 = 141,821.10/x
  3. Step 3: Cross multiply
    457,332.30x = 685,998.45 × 141,821.10
  4. Step 4: Simplify right side
    457,332.30x = 97,289,054,777.30
  5. Step 5: Solve for x
    x = 97,289,054,777.30/457,332.30
  6. Step 6: Final answer
    x = 212,731.65

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Similar ratio
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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.