Home / 154,294.72-231,439.66-49,112.16

Finding the Fourth Proportional to 154,294.72, 231,439.66 and 49,112.16

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Solution

The fourth proportional to 154,294.72, 231,439.66 and 49,112.16 is: 73,667.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,294.72 : 231,439.66 = 49,112.16 : x
  2. Step 2: Convert to fraction form
    154,294.72/231,439.66 = 49,112.16/x
  3. Step 3: Cross multiply
    154,294.72x = 231,439.66 × 49,112.16
  4. Step 4: Simplify right side
    154,294.72x = 11,366,501,612.27
  5. Step 5: Solve for x
    x = 11,366,501,612.27/154,294.72
  6. Step 6: Final answer
    x = 73,667.47

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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.