Home / 179,365.38-247,548.15-115,887.90

Finding the Fourth Proportional to 179,365.38, 247,548.15 and 115,887.90

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Solution

The fourth proportional to 179,365.38, 247,548.15 and 115,887.90 is: 159,940.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,365.38 : 247,548.15 = 115,887.90 : x
  2. Step 2: Convert to fraction form
    179,365.38/247,548.15 = 115,887.90/x
  3. Step 3: Cross multiply
    179,365.38x = 247,548.15 × 115,887.90
  4. Step 4: Simplify right side
    179,365.38x = 28,687,835,252.39
  5. Step 5: Solve for x
    x = 28,687,835,252.39/179,365.38
  6. Step 6: Final answer
    x = 159,940.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.