Home / 126,825.40-175,018.98-70,236.73

Finding the Fourth Proportional to 126,825.40, 175,018.98 and 70,236.73

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Solution

The fourth proportional to 126,825.40, 175,018.98 and 70,236.73 is: 96,926.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,825.40 : 175,018.98 = 70,236.73 : x
  2. Step 2: Convert to fraction form
    126,825.40/175,018.98 = 70,236.73/x
  3. Step 3: Cross multiply
    126,825.40x = 175,018.98 × 70,236.73
  4. Step 4: Simplify right side
    126,825.40x = 12,292,760,843.14
  5. Step 5: Solve for x
    x = 12,292,760,843.14/126,825.40
  6. Step 6: Final answer
    x = 96,926.65

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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.