Home / 161,561.52-242,353.35-54,902.07

Finding the Fourth Proportional to 161,561.52, 242,353.35 and 54,902.07

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Solution

The fourth proportional to 161,561.52, 242,353.35 and 54,902.07 is: 82,356.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,561.52 : 242,353.35 = 54,902.07 : x
  2. Step 2: Convert to fraction form
    161,561.52/242,353.35 = 54,902.07/x
  3. Step 3: Cross multiply
    161,561.52x = 242,353.35 × 54,902.07
  4. Step 4: Simplify right side
    161,561.52x = 13,305,700,586.43
  5. Step 5: Solve for x
    x = 13,305,700,586.43/161,561.52
  6. Step 6: Final answer
    x = 82,356.87

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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.