Home / 132,799.40-199,261.28-66,244.68

Finding the Fourth Proportional to 132,799.40, 199,261.28 and 66,244.68

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Solution

The fourth proportional to 132,799.40, 199,261.28 and 66,244.68 is: 99,398.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,799.40 : 199,261.28 = 66,244.68 : x
  2. Step 2: Convert to fraction form
    132,799.40/199,261.28 = 66,244.68/x
  3. Step 3: Cross multiply
    132,799.40x = 199,261.28 × 66,244.68
  4. Step 4: Simplify right side
    132,799.40x = 13,199,999,729.99
  5. Step 5: Solve for x
    x = 13,199,999,729.99/132,799.40
  6. Step 6: Final answer
    x = 99,398.04

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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.