Home / 143,264.35-197,587.48-88,778.66

Finding the Fourth Proportional to 143,264.35, 197,587.48 and 88,778.66

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Solution

The fourth proportional to 143,264.35, 197,587.48 and 88,778.66 is: 122,441.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,264.35 : 197,587.48 = 88,778.66 : x
  2. Step 2: Convert to fraction form
    143,264.35/197,587.48 = 88,778.66/x
  3. Step 3: Cross multiply
    143,264.35x = 197,587.48 × 88,778.66
  4. Step 4: Simplify right side
    143,264.35x = 17,541,550,969.78
  5. Step 5: Solve for x
    x = 17,541,550,969.78/143,264.35
  6. Step 6: Final answer
    x = 122,441.85

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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.