Home / 119,899.04-179,839.92-53,319.20

Finding the Fourth Proportional to 119,899.04, 179,839.92 and 53,319.20

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Solution

The fourth proportional to 119,899.04, 179,839.92 and 53,319.20 is: 79,974.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,899.04 : 179,839.92 = 53,319.20 : x
  2. Step 2: Convert to fraction form
    119,899.04/179,839.92 = 53,319.20/x
  3. Step 3: Cross multiply
    119,899.04x = 179,839.92 × 53,319.20
  4. Step 4: Simplify right side
    119,899.04x = 9,588,920,662.46
  5. Step 5: Solve for x
    x = 9,588,920,662.46/119,899.04
  6. Step 6: Final answer
    x = 79,974.96

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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.