Home / 319,695.20-441,147.96-176,446.04

Finding the Fourth Proportional to 319,695.20, 441,147.96 and 176,446.04

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Solution

The fourth proportional to 319,695.20, 441,147.96 and 176,446.04 is: 243,478.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,695.20 : 441,147.96 = 176,446.04 : x
  2. Step 2: Convert to fraction form
    319,695.20/441,147.96 = 176,446.04/x
  3. Step 3: Cross multiply
    319,695.20x = 441,147.96 × 176,446.04
  4. Step 4: Simplify right side
    319,695.20x = 77,838,810,596.08
  5. Step 5: Solve for x
    x = 77,838,810,596.08/319,695.20
  6. Step 6: Final answer
    x = 243,478.20

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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.