Home / 154,176.48-231,299.76-65,433.12

Finding the Fourth Proportional to 154,176.48, 231,299.76 and 65,433.12

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Solution

The fourth proportional to 154,176.48, 231,299.76 and 65,433.12 is: 98,164.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,176.48 : 231,299.76 = 65,433.12 : x
  2. Step 2: Convert to fraction form
    154,176.48/231,299.76 = 65,433.12/x
  3. Step 3: Cross multiply
    154,176.48x = 231,299.76 × 65,433.12
  4. Step 4: Simplify right side
    154,176.48x = 15,134,664,952.05
  5. Step 5: Solve for x
    x = 15,134,664,952.05/154,176.48
  6. Step 6: Final answer
    x = 98,164.55

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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.