Home / 151,569.80-227,026.65-81,367.10

Finding the Fourth Proportional to 151,569.80, 227,026.65 and 81,367.10

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Solution

The fourth proportional to 151,569.80, 227,026.65 and 81,367.10 is: 121,874.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,569.80 : 227,026.65 = 81,367.10 : x
  2. Step 2: Convert to fraction form
    151,569.80/227,026.65 = 81,367.10/x
  3. Step 3: Cross multiply
    151,569.80x = 227,026.65 × 81,367.10
  4. Step 4: Simplify right side
    151,569.80x = 18,472,500,133.22
  5. Step 5: Solve for x
    x = 18,472,500,133.22/151,569.80
  6. Step 6: Final answer
    x = 121,874.54

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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.