Home / 179,218.76-247,282.20-103,723.52

Finding the Fourth Proportional to 179,218.76, 247,282.20 and 103,723.52

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Solution

The fourth proportional to 179,218.76, 247,282.20 and 103,723.52 is: 143,115.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,218.76 : 247,282.20 = 103,723.52 : x
  2. Step 2: Convert to fraction form
    179,218.76/247,282.20 = 103,723.52/x
  3. Step 3: Cross multiply
    179,218.76x = 247,282.20 × 103,723.52
  4. Step 4: Simplify right side
    179,218.76x = 25,648,980,217.34
  5. Step 5: Solve for x
    x = 25,648,980,217.34/179,218.76
  6. Step 6: Final answer
    x = 143,115.49

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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.