Home / 354,455.28-531,592.20-105,078.96

Finding the Fourth Proportional to 354,455.28, 531,592.20 and 105,078.96

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Solution

The fourth proportional to 354,455.28, 531,592.20 and 105,078.96 is: 157,591.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,455.28 : 531,592.20 = 105,078.96 : x
  2. Step 2: Convert to fraction form
    354,455.28/531,592.20 = 105,078.96/x
  3. Step 3: Cross multiply
    354,455.28x = 531,592.20 × 105,078.96
  4. Step 4: Simplify right side
    354,455.28x = 55,859,155,520.11
  5. Step 5: Solve for x
    x = 55,859,155,520.11/354,455.28
  6. Step 6: Final answer
    x = 157,591.55

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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.