Home / 151,218.28-226,696.20-76,275.87

Finding the Fourth Proportional to 151,218.28, 226,696.20 and 76,275.87

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Solution

The fourth proportional to 151,218.28, 226,696.20 and 76,275.87 is: 114,347.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,218.28 : 226,696.20 = 76,275.87 : x
  2. Step 2: Convert to fraction form
    151,218.28/226,696.20 = 76,275.87/x
  3. Step 3: Cross multiply
    151,218.28x = 226,696.20 × 76,275.87
  4. Step 4: Simplify right side
    151,218.28x = 17,291,448,747.21
  5. Step 5: Solve for x
    x = 17,291,448,747.21/151,218.28
  6. Step 6: Final answer
    x = 114,347.61

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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.