Home / 217,002.20-325,240.44-92,080.76

Finding the Fourth Proportional to 217,002.20, 325,240.44 and 92,080.76

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Solution

The fourth proportional to 217,002.20, 325,240.44 and 92,080.76 is: 138,009.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,002.20 : 325,240.44 = 92,080.76 : x
  2. Step 2: Convert to fraction form
    217,002.20/325,240.44 = 92,080.76/x
  3. Step 3: Cross multiply
    217,002.20x = 325,240.44 × 92,080.76
  4. Step 4: Simplify right side
    217,002.20x = 29,948,386,897.93
  5. Step 5: Solve for x
    x = 29,948,386,897.93/217,002.20
  6. Step 6: Final answer
    x = 138,009.60

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1.5x scale

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.