Home / 126,816.47-175,006.78-70,227.84

Finding the Fourth Proportional to 126,816.47, 175,006.78 and 70,227.84

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Solution

The fourth proportional to 126,816.47, 175,006.78 and 70,227.84 is: 96,914.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,816.47 : 175,006.78 = 70,227.84 : x
  2. Step 2: Convert to fraction form
    126,816.47/175,006.78 = 70,227.84/x
  3. Step 3: Cross multiply
    126,816.47x = 175,006.78 × 70,227.84
  4. Step 4: Simplify right side
    126,816.47x = 12,290,348,625.46
  5. Step 5: Solve for x
    x = 12,290,348,625.46/126,816.47
  6. Step 6: Final answer
    x = 96,914.45

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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.