Home / 129,286.27-193,929.45-40,547.53

Finding the Fourth Proportional to 129,286.27, 193,929.45 and 40,547.53

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Solution

The fourth proportional to 129,286.27, 193,929.45 and 40,547.53 is: 60,821.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,286.27 : 193,929.45 = 40,547.53 : x
  2. Step 2: Convert to fraction form
    129,286.27/193,929.45 = 40,547.53/x
  3. Step 3: Cross multiply
    129,286.27x = 193,929.45 × 40,547.53
  4. Step 4: Simplify right side
    129,286.27x = 7,863,360,191.76
  5. Step 5: Solve for x
    x = 7,863,360,191.76/129,286.27
  6. Step 6: Final answer
    x = 60,821.31

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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.