Home / 126,336.96-174,340.32-69,747.12

Finding the Fourth Proportional to 126,336.96, 174,340.32 and 69,747.12

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Solution

The fourth proportional to 126,336.96, 174,340.32 and 69,747.12 is: 96,248.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,336.96 : 174,340.32 = 69,747.12 : x
  2. Step 2: Convert to fraction form
    126,336.96/174,340.32 = 69,747.12/x
  3. Step 3: Cross multiply
    126,336.96x = 174,340.32 × 69,747.12
  4. Step 4: Simplify right side
    126,336.96x = 12,159,735,219.88
  5. Step 5: Solve for x
    x = 12,159,735,219.88/126,336.96
  6. Step 6: Final answer
    x = 96,248.44

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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.