Home / 140,251.76-193,547.26-82,911.75

Finding the Fourth Proportional to 140,251.76, 193,547.26 and 82,911.75

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Solution

The fourth proportional to 140,251.76, 193,547.26 and 82,911.75 is: 114,418.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,251.76 : 193,547.26 = 82,911.75 : x
  2. Step 2: Convert to fraction form
    140,251.76/193,547.26 = 82,911.75/x
  3. Step 3: Cross multiply
    140,251.76x = 193,547.26 × 82,911.75
  4. Step 4: Simplify right side
    140,251.76x = 16,047,342,034.31
  5. Step 5: Solve for x
    x = 16,047,342,034.31/140,251.76
  6. Step 6: Final answer
    x = 114,418.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.