Home / 126,817.47-175,008.16-70,228.84

Finding the Fourth Proportional to 126,817.47, 175,008.16 and 70,228.84

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Solution

The fourth proportional to 126,817.47, 175,008.16 and 70,228.84 is: 96,915.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,817.47 : 175,008.16 = 70,228.84 : x
  2. Step 2: Convert to fraction form
    126,817.47/175,008.16 = 70,228.84/x
  3. Step 3: Cross multiply
    126,817.47x = 175,008.16 × 70,228.84
  4. Step 4: Simplify right side
    126,817.47x = 12,290,620,067.33
  5. Step 5: Solve for x
    x = 12,290,620,067.33/126,817.47
  6. Step 6: Final answer
    x = 96,915.83

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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.