Home / 161,514.79-242,253.11-43,195.30

Finding the Fourth Proportional to 161,514.79, 242,253.11 and 43,195.30

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Solution

The fourth proportional to 161,514.79, 242,253.11 and 43,195.30 is: 64,787.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,514.79 : 242,253.11 = 43,195.30 : x
  2. Step 2: Convert to fraction form
    161,514.79/242,253.11 = 43,195.30/x
  3. Step 3: Cross multiply
    161,514.79x = 242,253.11 × 43,195.30
  4. Step 4: Simplify right side
    161,514.79x = 10,464,195,546.41
  5. Step 5: Solve for x
    x = 10,464,195,546.41/161,514.79
  6. Step 6: Final answer
    x = 64,787.85

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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.