Home / 151,718.48-227,180.28-120,199.76

Finding the Fourth Proportional to 151,718.48, 227,180.28 and 120,199.76

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Solution

The fourth proportional to 151,718.48, 227,180.28 and 120,199.76 is: 179,984.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,718.48 : 227,180.28 = 120,199.76 : x
  2. Step 2: Convert to fraction form
    151,718.48/227,180.28 = 120,199.76/x
  3. Step 3: Cross multiply
    151,718.48x = 227,180.28 × 120,199.76
  4. Step 4: Simplify right side
    151,718.48x = 27,307,015,132.73
  5. Step 5: Solve for x
    x = 27,307,015,132.73/151,718.48
  6. Step 6: Final answer
    x = 179,984.77

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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.