Home / 118,445.84-177,791.81-68,623.28

Finding the Fourth Proportional to 118,445.84, 177,791.81 and 68,623.28

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Solution

The fourth proportional to 118,445.84, 177,791.81 and 68,623.28 is: 103,006.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,445.84 : 177,791.81 = 68,623.28 : x
  2. Step 2: Convert to fraction form
    118,445.84/177,791.81 = 68,623.28/x
  3. Step 3: Cross multiply
    118,445.84x = 177,791.81 × 68,623.28
  4. Step 4: Simplify right side
    118,445.84x = 12,200,655,927.26
  5. Step 5: Solve for x
    x = 12,200,655,927.26/118,445.84
  6. Step 6: Final answer
    x = 103,006.20

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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.