Home / 126,306.32-174,301.84-69,717.76

Finding the Fourth Proportional to 126,306.32, 174,301.84 and 69,717.76

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Solution

The fourth proportional to 126,306.32, 174,301.84 and 69,717.76 is: 96,210.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,306.32 : 174,301.84 = 69,717.76 : x
  2. Step 2: Convert to fraction form
    126,306.32/174,301.84 = 69,717.76/x
  3. Step 3: Cross multiply
    126,306.32x = 174,301.84 × 69,717.76
  4. Step 4: Simplify right side
    126,306.32x = 12,151,933,848.68
  5. Step 5: Solve for x
    x = 12,151,933,848.68/126,306.32
  6. Step 6: Final answer
    x = 96,210.02

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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.