Home / 161,532.60-242,558.10-109,174.20

Finding the Fourth Proportional to 161,532.60, 242,558.10 and 109,174.20

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Solution

The fourth proportional to 161,532.60, 242,558.10 and 109,174.20 is: 163,936.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,532.60 : 242,558.10 = 109,174.20 : x
  2. Step 2: Convert to fraction form
    161,532.60/242,558.10 = 109,174.20/x
  3. Step 3: Cross multiply
    161,532.60x = 242,558.10 × 109,174.20
  4. Step 4: Simplify right side
    161,532.60x = 26,481,086,521.02
  5. Step 5: Solve for x
    x = 26,481,086,521.02/161,532.60
  6. Step 6: Final answer
    x = 163,936.48

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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.