Home / 126,323.74-174,332.82-69,738.76

Finding the Fourth Proportional to 126,323.74, 174,332.82 and 69,738.76

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Solution

The fourth proportional to 126,323.74, 174,332.82 and 69,738.76 is: 96,242.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,323.74 : 174,332.82 = 69,738.76 : x
  2. Step 2: Convert to fraction form
    126,323.74/174,332.82 = 69,738.76/x
  3. Step 3: Cross multiply
    126,323.74x = 174,332.82 × 69,738.76
  4. Step 4: Simplify right side
    126,323.74x = 12,157,754,694.10
  5. Step 5: Solve for x
    x = 12,157,754,694.10/126,323.74
  6. Step 6: Final answer
    x = 96,242.83

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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.