Home / 154,665.72-231,960.78-49,462.92

Finding the Fourth Proportional to 154,665.72, 231,960.78 and 49,462.92

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Solution

The fourth proportional to 154,665.72, 231,960.78 and 49,462.92 is: 74,182.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,665.72 : 231,960.78 = 49,462.92 : x
  2. Step 2: Convert to fraction form
    154,665.72/231,960.78 = 49,462.92/x
  3. Step 3: Cross multiply
    154,665.72x = 231,960.78 × 49,462.92
  4. Step 4: Simplify right side
    154,665.72x = 11,473,457,504.28
  5. Step 5: Solve for x
    x = 11,473,457,504.28/154,665.72
  6. Step 6: Final answer
    x = 74,182.29

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1.5x scale

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.