Home / 126,283.46-188,500.78-111,337.16

Finding the Fourth Proportional to 126,283.46, 188,500.78 and 111,337.16

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Solution

The fourth proportional to 126,283.46, 188,500.78 and 111,337.16 is: 166,190.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,283.46 : 188,500.78 = 111,337.16 : x
  2. Step 2: Convert to fraction form
    126,283.46/188,500.78 = 111,337.16/x
  3. Step 3: Cross multiply
    126,283.46x = 188,500.78 × 111,337.16
  4. Step 4: Simplify right side
    126,283.46x = 20,987,141,502.98
  5. Step 5: Solve for x
    x = 20,987,141,502.98/126,283.46
  6. Step 6: Final answer
    x = 166,190.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.