Home / 127,281.95-175,708.78-73,556.47

Finding the Fourth Proportional to 127,281.95, 175,708.78 and 73,556.47

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Solution

The fourth proportional to 127,281.95, 175,708.78 and 73,556.47 is: 101,542.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,281.95 : 175,708.78 = 73,556.47 : x
  2. Step 2: Convert to fraction form
    127,281.95/175,708.78 = 73,556.47/x
  3. Step 3: Cross multiply
    127,281.95x = 175,708.78 × 73,556.47
  4. Step 4: Simplify right side
    127,281.95x = 12,924,517,640.55
  5. Step 5: Solve for x
    x = 12,924,517,640.55/127,281.95
  6. Step 6: Final answer
    x = 101,542.42

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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.