Home / 151,948.47-227,989.53-80,854.37

Finding the Fourth Proportional to 151,948.47, 227,989.53 and 80,854.37

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Solution

The fourth proportional to 151,948.47, 227,989.53 and 80,854.37 is: 121,317.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,948.47 : 227,989.53 = 80,854.37 : x
  2. Step 2: Convert to fraction form
    151,948.47/227,989.53 = 80,854.37/x
  3. Step 3: Cross multiply
    151,948.47x = 227,989.53 × 80,854.37
  4. Step 4: Simplify right side
    151,948.47x = 18,433,949,814.75
  5. Step 5: Solve for x
    x = 18,433,949,814.75/151,948.47
  6. Step 6: Final answer
    x = 121,317.11

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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.