Home / 126,891.13-175,115.49-70,302.50

Finding the Fourth Proportional to 126,891.13, 175,115.49 and 70,302.50

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Solution

The fourth proportional to 126,891.13, 175,115.49 and 70,302.50 is: 97,020.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,891.13 : 175,115.49 = 70,302.50 : x
  2. Step 2: Convert to fraction form
    126,891.13/175,115.49 = 70,302.50/x
  3. Step 3: Cross multiply
    126,891.13x = 175,115.49 × 70,302.50
  4. Step 4: Simplify right side
    126,891.13x = 12,311,056,735.73
  5. Step 5: Solve for x
    x = 12,311,056,735.73/126,891.13
  6. Step 6: Final answer
    x = 97,020.62

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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.