Home / 132,185.56-198,278.48-108,762.76

Finding the Fourth Proportional to 132,185.56, 198,278.48 and 108,762.76

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Solution

The fourth proportional to 132,185.56, 198,278.48 and 108,762.76 is: 163,144.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,185.56 : 198,278.48 = 108,762.76 : x
  2. Step 2: Convert to fraction form
    132,185.56/198,278.48 = 108,762.76/x
  3. Step 3: Cross multiply
    132,185.56x = 198,278.48 × 108,762.76
  4. Step 4: Simplify right side
    132,185.56x = 21,565,314,733.40
  5. Step 5: Solve for x
    x = 21,565,314,733.40/132,185.56
  6. Step 6: Final answer
    x = 163,144.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.