Home / 126,112.65-188,701.70-101,076.76

Finding the Fourth Proportional to 126,112.65, 188,701.70 and 101,076.76

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Solution

The fourth proportional to 126,112.65, 188,701.70 and 101,076.76 is: 151,240.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,112.65 : 188,701.70 = 101,076.76 : x
  2. Step 2: Convert to fraction form
    126,112.65/188,701.70 = 101,076.76/x
  3. Step 3: Cross multiply
    126,112.65x = 188,701.70 × 101,076.76
  4. Step 4: Simplify right side
    126,112.65x = 19,073,357,166.94
  5. Step 5: Solve for x
    x = 19,073,357,166.94/126,112.65
  6. Step 6: Final answer
    x = 151,240.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.