Home / 129,197.40-193,799.76-35,703.15

Finding the Fourth Proportional to 129,197.40, 193,799.76 and 35,703.15

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Solution

The fourth proportional to 129,197.40, 193,799.76 and 35,703.15 is: 53,555.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,197.40 : 193,799.76 = 35,703.15 : x
  2. Step 2: Convert to fraction form
    129,197.40/193,799.76 = 35,703.15/x
  3. Step 3: Cross multiply
    129,197.40x = 193,799.76 × 35,703.15
  4. Step 4: Simplify right side
    129,197.40x = 6,919,261,901.24
  5. Step 5: Solve for x
    x = 6,919,261,901.24/129,197.40
  6. Step 6: Final answer
    x = 53,555.74

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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.