Home / 118,240.23-177,422.62-68,355.36

Finding the Fourth Proportional to 118,240.23, 177,422.62 and 68,355.36

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Solution

The fourth proportional to 118,240.23, 177,422.62 and 68,355.36 is: 102,569.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,240.23 : 177,422.62 = 68,355.36 : x
  2. Step 2: Convert to fraction form
    118,240.23/177,422.62 = 68,355.36/x
  3. Step 3: Cross multiply
    118,240.23x = 177,422.62 × 68,355.36
  4. Step 4: Simplify right side
    118,240.23x = 12,127,787,062.24
  5. Step 5: Solve for x
    x = 12,127,787,062.24/118,240.23
  6. Step 6: Final answer
    x = 102,569.04

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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.