Home / 118,308.83-177,180.33-68,237.13

Finding the Fourth Proportional to 118,308.83, 177,180.33 and 68,237.13

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Solution

The fourth proportional to 118,308.83, 177,180.33 and 68,237.13 is: 102,192.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,308.83 : 177,180.33 = 68,237.13 : x
  2. Step 2: Convert to fraction form
    118,308.83/177,180.33 = 68,237.13/x
  3. Step 3: Cross multiply
    118,308.83x = 177,180.33 × 68,237.13
  4. Step 4: Simplify right side
    118,308.83x = 12,090,277,211.65
  5. Step 5: Solve for x
    x = 12,090,277,211.65/118,308.83
  6. Step 6: Final answer
    x = 102,192.52

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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.