Home / 303,821.28-455,691.96-93,441.60

Finding the Fourth Proportional to 303,821.28, 455,691.96 and 93,441.60

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Solution

The fourth proportional to 303,821.28, 455,691.96 and 93,441.60 is: 140,150.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,821.28 : 455,691.96 = 93,441.60 : x
  2. Step 2: Convert to fraction form
    303,821.28/455,691.96 = 93,441.60/x
  3. Step 3: Cross multiply
    303,821.28x = 455,691.96 × 93,441.60
  4. Step 4: Simplify right side
    303,821.28x = 42,580,585,849.54
  5. Step 5: Solve for x
    x = 42,580,585,849.54/303,821.28
  6. Step 6: Final answer
    x = 140,150.11

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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.