Home / 147,310.16-221,062.13-80,796.94

Finding the Fourth Proportional to 147,310.16, 221,062.13 and 80,796.94

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Solution

The fourth proportional to 147,310.16, 221,062.13 and 80,796.94 is: 121,248.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,310.16 : 221,062.13 = 80,796.94 : x
  2. Step 2: Convert to fraction form
    147,310.16/221,062.13 = 80,796.94/x
  3. Step 3: Cross multiply
    147,310.16x = 221,062.13 × 80,796.94
  4. Step 4: Simplify right side
    147,310.16x = 17,861,143,000.23
  5. Step 5: Solve for x
    x = 17,861,143,000.23/147,310.16
  6. Step 6: Final answer
    x = 121,248.55

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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.