Home / 302,287.20-417,159.84-173,223.12

Finding the Fourth Proportional to 302,287.20, 417,159.84 and 173,223.12

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Solution

The fourth proportional to 302,287.20, 417,159.84 and 173,223.12 is: 239,049.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,287.20 : 417,159.84 = 173,223.12 : x
  2. Step 2: Convert to fraction form
    302,287.20/417,159.84 = 173,223.12/x
  3. Step 3: Cross multiply
    302,287.20x = 417,159.84 × 173,223.12
  4. Step 4: Simplify right side
    302,287.20x = 72,261,729,023.50
  5. Step 5: Solve for x
    x = 72,261,729,023.50/302,287.20
  6. Step 6: Final answer
    x = 239,049.91

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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.