Home / 127,819.73-176,404.41-76,849.13

Finding the Fourth Proportional to 127,819.73, 176,404.41 and 76,849.13

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Solution

The fourth proportional to 127,819.73, 176,404.41 and 76,849.13 is: 106,059.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,819.73 : 176,404.41 = 76,849.13 : x
  2. Step 2: Convert to fraction form
    127,819.73/176,404.41 = 76,849.13/x
  3. Step 3: Cross multiply
    127,819.73x = 176,404.41 × 76,849.13
  4. Step 4: Simplify right side
    127,819.73x = 13,556,525,436.66
  5. Step 5: Solve for x
    x = 13,556,525,436.66/127,819.73
  6. Step 6: Final answer
    x = 106,059.73

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1.5x scale

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.