Home / 159,823.74-220,432.14-102,468.54

Finding the Fourth Proportional to 159,823.74, 220,432.14 and 102,468.54

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Solution

The fourth proportional to 159,823.74, 220,432.14 and 102,468.54 is: 141,326.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,823.74 : 220,432.14 = 102,468.54 : x
  2. Step 2: Convert to fraction form
    159,823.74/220,432.14 = 102,468.54/x
  3. Step 3: Cross multiply
    159,823.74x = 220,432.14 × 102,468.54
  4. Step 4: Simplify right side
    159,823.74x = 22,587,359,554.88
  5. Step 5: Solve for x
    x = 22,587,359,554.88/159,823.74
  6. Step 6: Final answer
    x = 141,326.69

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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.