Home / 151,742.43-227,638.37-56,979.95

Finding the Fourth Proportional to 151,742.43, 227,638.37 and 56,979.95

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Solution

The fourth proportional to 151,742.43, 227,638.37 and 56,979.95 is: 85,479.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,742.43 : 227,638.37 = 56,979.95 : x
  2. Step 2: Convert to fraction form
    151,742.43/227,638.37 = 56,979.95/x
  3. Step 3: Cross multiply
    151,742.43x = 227,638.37 × 56,979.95
  4. Step 4: Simplify right side
    151,742.43x = 12,970,822,940.68
  5. Step 5: Solve for x
    x = 12,970,822,940.68/151,742.43
  6. Step 6: Final answer
    x = 85,479.21

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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.