Home / 151,541.74-227,378.16-81,339.04

Finding the Fourth Proportional to 151,541.74, 227,378.16 and 81,339.04

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Solution

The fourth proportional to 151,541.74, 227,378.16 and 81,339.04 is: 122,043.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,541.74 : 227,378.16 = 81,339.04 : x
  2. Step 2: Convert to fraction form
    151,541.74/227,378.16 = 81,339.04/x
  3. Step 3: Cross multiply
    151,541.74x = 227,378.16 × 81,339.04
  4. Step 4: Simplify right side
    151,541.74x = 18,494,721,251.37
  5. Step 5: Solve for x
    x = 18,494,721,251.37/151,541.74
  6. Step 6: Final answer
    x = 122,043.74

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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.