Home / 235,835.74-325,402.68-140,323.78

Finding the Fourth Proportional to 235,835.74, 325,402.68 and 140,323.78

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Solution

The fourth proportional to 235,835.74, 325,402.68 and 140,323.78 is: 193,616.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,835.74 : 325,402.68 = 140,323.78 : x
  2. Step 2: Convert to fraction form
    235,835.74/325,402.68 = 140,323.78/x
  3. Step 3: Cross multiply
    235,835.74x = 325,402.68 × 140,323.78
  4. Step 4: Simplify right side
    235,835.74x = 45,661,734,079.73
  5. Step 5: Solve for x
    x = 45,661,734,079.73/235,835.74
  6. Step 6: Final answer
    x = 193,616.68

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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.