Home / 126,376.56-174,399.66-69,791.58

Finding the Fourth Proportional to 126,376.56, 174,399.66 and 69,791.58

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Solution

The fourth proportional to 126,376.56, 174,399.66 and 69,791.58 is: 96,312.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,376.56 : 174,399.66 = 69,791.58 : x
  2. Step 2: Convert to fraction form
    126,376.56/174,399.66 = 69,791.58/x
  3. Step 3: Cross multiply
    126,376.56x = 174,399.66 × 69,791.58
  4. Step 4: Simplify right side
    126,376.56x = 12,171,627,822.86
  5. Step 5: Solve for x
    x = 12,171,627,822.86/126,376.56
  6. Step 6: Final answer
    x = 96,312.38

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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.