Home / 179,301.28-247,424.88-103,835.20

Finding the Fourth Proportional to 179,301.28, 247,424.88 and 103,835.20

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Solution

The fourth proportional to 179,301.28, 247,424.88 and 103,835.20 is: 143,286.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,301.28 : 247,424.88 = 103,835.20 : x
  2. Step 2: Convert to fraction form
    179,301.28/247,424.88 = 103,835.20/x
  3. Step 3: Cross multiply
    179,301.28x = 247,424.88 × 103,835.20
  4. Step 4: Simplify right side
    179,301.28x = 25,691,411,899.78
  5. Step 5: Solve for x
    x = 25,691,411,899.78/179,301.28
  6. Step 6: Final answer
    x = 143,286.27

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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.