Home / 238,230.24-357,306.48-80,455.20

Finding the Fourth Proportional to 238,230.24, 357,306.48 and 80,455.20

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Solution

The fourth proportional to 238,230.24, 357,306.48 and 80,455.20 is: 120,669.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,230.24 : 357,306.48 = 80,455.20 : x
  2. Step 2: Convert to fraction form
    238,230.24/357,306.48 = 80,455.20/x
  3. Step 3: Cross multiply
    238,230.24x = 357,306.48 × 80,455.20
  4. Step 4: Simplify right side
    238,230.24x = 28,747,164,309.70
  5. Step 5: Solve for x
    x = 28,747,164,309.70/238,230.24
  6. Step 6: Final answer
    x = 120,669.67

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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.