Home / 118,127.22-177,138.84-43,227.90

Finding the Fourth Proportional to 118,127.22, 177,138.84 and 43,227.90

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Solution

The fourth proportional to 118,127.22, 177,138.84 and 43,227.90 is: 64,822.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,127.22 : 177,138.84 = 43,227.90 : x
  2. Step 2: Convert to fraction form
    118,127.22/177,138.84 = 43,227.90/x
  3. Step 3: Cross multiply
    118,127.22x = 177,138.84 × 43,227.90
  4. Step 4: Simplify right side
    118,127.22x = 7,657,340,061.64
  5. Step 5: Solve for x
    x = 7,657,340,061.64/118,127.22
  6. Step 6: Final answer
    x = 64,822.82

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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.