Home / 178,938.24-268,465.68-90,184.92

Finding the Fourth Proportional to 178,938.24, 268,465.68 and 90,184.92

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Solution

The fourth proportional to 178,938.24, 268,465.68 and 90,184.92 is: 135,306.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,938.24 : 268,465.68 = 90,184.92 : x
  2. Step 2: Convert to fraction form
    178,938.24/268,465.68 = 90,184.92/x
  3. Step 3: Cross multiply
    178,938.24x = 268,465.68 × 90,184.92
  4. Step 4: Simplify right side
    178,938.24x = 24,211,555,873.55
  5. Step 5: Solve for x
    x = 24,211,555,873.55/178,938.24
  6. Step 6: Final answer
    x = 135,306.77

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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.