Home / 126,695.26-174,840.69-70,106.50

Finding the Fourth Proportional to 126,695.26, 174,840.69 and 70,106.50

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Solution

The fourth proportional to 126,695.26, 174,840.69 and 70,106.50 is: 96,747.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,695.26 : 174,840.69 = 70,106.50 : x
  2. Step 2: Convert to fraction form
    126,695.26/174,840.69 = 70,106.50/x
  3. Step 3: Cross multiply
    126,695.26x = 174,840.69 × 70,106.50
  4. Step 4: Simplify right side
    126,695.26x = 12,257,468,833.49
  5. Step 5: Solve for x
    x = 12,257,468,833.49/126,695.26
  6. Step 6: Final answer
    x = 96,747.65

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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.