Home / 142,614.46-213,928.60-117,608.85

Finding the Fourth Proportional to 142,614.46, 213,928.60 and 117,608.85

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Solution

The fourth proportional to 142,614.46, 213,928.60 and 117,608.85 is: 176,418.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,614.46 : 213,928.60 = 117,608.85 : x
  2. Step 2: Convert to fraction form
    142,614.46/213,928.60 = 117,608.85/x
  3. Step 3: Cross multiply
    142,614.46x = 213,928.60 × 117,608.85
  4. Step 4: Simplify right side
    142,614.46x = 25,159,896,775.12
  5. Step 5: Solve for x
    x = 25,159,896,775.12/142,614.46
  6. Step 6: Final answer
    x = 176,418.97

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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.