Home / 126,845.48-175,048.04-76,534.76

Finding the Fourth Proportional to 126,845.48, 175,048.04 and 76,534.76

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Solution

The fourth proportional to 126,845.48, 175,048.04 and 76,534.76 is: 105,618.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,845.48 : 175,048.04 = 76,534.76 : x
  2. Step 2: Convert to fraction form
    126,845.48/175,048.04 = 76,534.76/x
  3. Step 3: Cross multiply
    126,845.48x = 175,048.04 × 76,534.76
  4. Step 4: Simplify right side
    126,845.48x = 13,397,259,729.87
  5. Step 5: Solve for x
    x = 13,397,259,729.87/126,845.48
  6. Step 6: Final answer
    x = 105,618.74

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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.