Home / 215,441.46-322,877.07-165,330.06

Finding the Fourth Proportional to 215,441.46, 322,877.07 and 165,330.06

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Solution

The fourth proportional to 215,441.46, 322,877.07 and 165,330.06 is: 247,776.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,441.46 : 322,877.07 = 165,330.06 : x
  2. Step 2: Convert to fraction form
    215,441.46/322,877.07 = 165,330.06/x
  3. Step 3: Cross multiply
    215,441.46x = 322,877.07 × 165,330.06
  4. Step 4: Simplify right side
    215,441.46x = 53,381,285,355.72
  5. Step 5: Solve for x
    x = 53,381,285,355.72/215,441.46
  6. Step 6: Final answer
    x = 247,776.29

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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.