Home / 126,568.40-174,780.36-101,600.72

Finding the Fourth Proportional to 126,568.40, 174,780.36 and 101,600.72

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Solution

The fourth proportional to 126,568.40, 174,780.36 and 101,600.72 is: 140,302.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,568.40 : 174,780.36 = 101,600.72 : x
  2. Step 2: Convert to fraction form
    126,568.40/174,780.36 = 101,600.72/x
  3. Step 3: Cross multiply
    126,568.40x = 174,780.36 × 101,600.72
  4. Step 4: Simplify right side
    126,568.40x = 17,757,810,417.86
  5. Step 5: Solve for x
    x = 17,757,810,417.86/126,568.40
  6. Step 6: Final answer
    x = 140,302.09

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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.