Home / 153,876.52-230,341.79-131,176.09

Finding the Fourth Proportional to 153,876.52, 230,341.79 and 131,176.09

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Solution

The fourth proportional to 153,876.52, 230,341.79 and 131,176.09 is: 196,360.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,876.52 : 230,341.79 = 131,176.09 : x
  2. Step 2: Convert to fraction form
    153,876.52/230,341.79 = 131,176.09/x
  3. Step 3: Cross multiply
    153,876.52x = 230,341.79 × 131,176.09
  4. Step 4: Simplify right side
    153,876.52x = 30,215,335,991.67
  5. Step 5: Solve for x
    x = 30,215,335,991.67/153,876.52
  6. Step 6: Final answer
    x = 196,360.93

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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.