Home / 129,498.66-193,917.42-103,241.70

Finding the Fourth Proportional to 129,498.66, 193,917.42 and 103,241.70

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Solution

The fourth proportional to 129,498.66, 193,917.42 and 103,241.70 is: 154,599.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,498.66 : 193,917.42 = 103,241.70 : x
  2. Step 2: Convert to fraction form
    129,498.66/193,917.42 = 103,241.70/x
  3. Step 3: Cross multiply
    129,498.66x = 193,917.42 × 103,241.70
  4. Step 4: Simplify right side
    129,498.66x = 20,020,364,100.41
  5. Step 5: Solve for x
    x = 20,020,364,100.41/129,498.66
  6. Step 6: Final answer
    x = 154,599.01

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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.