Home / 119,306.20-178,955.20-30,560.47

Finding the Fourth Proportional to 119,306.20, 178,955.20 and 30,560.47

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Solution

The fourth proportional to 119,306.20, 178,955.20 and 30,560.47 is: 45,839.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,306.20 : 178,955.20 = 30,560.47 : x
  2. Step 2: Convert to fraction form
    119,306.20/178,955.20 = 30,560.47/x
  3. Step 3: Cross multiply
    119,306.20x = 178,955.20 × 30,560.47
  4. Step 4: Simplify right side
    119,306.20x = 5,468,954,868.14
  5. Step 5: Solve for x
    x = 5,468,954,868.14/119,306.20
  6. Step 6: Final answer
    x = 45,839.66

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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.