Home / 317,147.20-437,662.92-173,909.68

Finding the Fourth Proportional to 317,147.20, 437,662.92 and 173,909.68

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Solution

The fourth proportional to 317,147.20, 437,662.92 and 173,909.68 is: 239,995.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,147.20 : 437,662.92 = 173,909.68 : x
  2. Step 2: Convert to fraction form
    317,147.20/437,662.92 = 173,909.68/x
  3. Step 3: Cross multiply
    317,147.20x = 437,662.92 × 173,909.68
  4. Step 4: Simplify right side
    317,147.20x = 76,113,818,365.07
  5. Step 5: Solve for x
    x = 76,113,818,365.07/317,147.20
  6. Step 6: Final answer
    x = 239,995.24

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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.