Home / 126,810.18-175,003.56-70,221.57

Finding the Fourth Proportional to 126,810.18, 175,003.56 and 70,221.57

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Solution

The fourth proportional to 126,810.18, 175,003.56 and 70,221.57 is: 96,908.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,810.18 : 175,003.56 = 70,221.57 : x
  2. Step 2: Convert to fraction form
    126,810.18/175,003.56 = 70,221.57/x
  3. Step 3: Cross multiply
    126,810.18x = 175,003.56 × 70,221.57
  4. Step 4: Simplify right side
    126,810.18x = 12,289,024,738.79
  5. Step 5: Solve for x
    x = 12,289,024,738.79/126,810.18
  6. Step 6: Final answer
    x = 96,908.82

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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.