Home / 126,515.18-174,591-69,926.56

Finding the Fourth Proportional to 126,515.18, 174,591 and 69,926.56

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Solution

The fourth proportional to 126,515.18, 174,591 and 69,926.56 is: 96,498.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,515.18 : 174,591 = 69,926.56 : x
  2. Step 2: Convert to fraction form
    126,515.18/174,591 = 69,926.56/x
  3. Step 3: Cross multiply
    126,515.18x = 174,591 × 69,926.56
  4. Step 4: Simplify right side
    126,515.18x = 12,208,548,036.96
  5. Step 5: Solve for x
    x = 12,208,548,036.96/126,515.18
  6. Step 6: Final answer
    x = 96,498.68

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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.