Home / 140,264.62-193,436.96-109,641.76

Finding the Fourth Proportional to 140,264.62, 193,436.96 and 109,641.76

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Solution

The fourth proportional to 140,264.62, 193,436.96 and 109,641.76 is: 151,205.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,264.62 : 193,436.96 = 109,641.76 : x
  2. Step 2: Convert to fraction form
    140,264.62/193,436.96 = 109,641.76/x
  3. Step 3: Cross multiply
    140,264.62x = 193,436.96 × 109,641.76
  4. Step 4: Simplify right side
    140,264.62x = 21,208,768,743.45
  5. Step 5: Solve for x
    x = 21,208,768,743.45/140,264.62
  6. Step 6: Final answer
    x = 151,205.41

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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.