Home / 140,084.91-193,262.14-86,276.54

Finding the Fourth Proportional to 140,084.91, 193,262.14 and 86,276.54

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Solution

The fourth proportional to 140,084.91, 193,262.14 and 86,276.54 is: 119,027.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,084.91 : 193,262.14 = 86,276.54 : x
  2. Step 2: Convert to fraction form
    140,084.91/193,262.14 = 86,276.54/x
  3. Step 3: Cross multiply
    140,084.91x = 193,262.14 × 86,276.54
  4. Step 4: Simplify right side
    140,084.91x = 16,673,988,752.20
  5. Step 5: Solve for x
    x = 16,673,988,752.20/140,084.91
  6. Step 6: Final answer
    x = 119,027.73

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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.