Home / 119,856.20-179,849.10-53,306.60

Finding the Fourth Proportional to 119,856.20, 179,849.10 and 53,306.60

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Solution

The fourth proportional to 119,856.20, 179,849.10 and 53,306.60 is: 79,988.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,856.20 : 179,849.10 = 53,306.60 : x
  2. Step 2: Convert to fraction form
    119,856.20/179,849.10 = 53,306.60/x
  3. Step 3: Cross multiply
    119,856.20x = 179,849.10 × 53,306.60
  4. Step 4: Simplify right side
    119,856.20x = 9,587,144,034.06
  5. Step 5: Solve for x
    x = 9,587,144,034.06/119,856.20
  6. Step 6: Final answer
    x = 79,988.72

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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.