Home / 154,783.68-232,149.60-70,517.76

Finding the Fourth Proportional to 154,783.68, 232,149.60 and 70,517.76

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Solution

The fourth proportional to 154,783.68, 232,149.60 and 70,517.76 is: 105,764.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,783.68 : 232,149.60 = 70,517.76 : x
  2. Step 2: Convert to fraction form
    154,783.68/232,149.60 = 70,517.76/x
  3. Step 3: Cross multiply
    154,783.68x = 232,149.60 × 70,517.76
  4. Step 4: Simplify right side
    154,783.68x = 16,370,669,776.90
  5. Step 5: Solve for x
    x = 16,370,669,776.90/154,783.68
  6. Step 6: Final answer
    x = 105,764.83

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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.