Home / 161,510.20-242,276.10-54,892.60

Finding the Fourth Proportional to 161,510.20, 242,276.10 and 54,892.60

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Solution

The fourth proportional to 161,510.20, 242,276.10 and 54,892.60 is: 82,342.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,510.20 : 242,276.10 = 54,892.60 : x
  2. Step 2: Convert to fraction form
    161,510.20/242,276.10 = 54,892.60/x
  3. Step 3: Cross multiply
    161,510.20x = 242,276.10 × 54,892.60
  4. Step 4: Simplify right side
    161,510.20x = 13,299,165,046.86
  5. Step 5: Solve for x
    x = 13,299,165,046.86/161,510.20
  6. Step 6: Final answer
    x = 82,342.57

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1.5x scale

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.