Home / 161,934.60-242,610.30-99,532.20

Finding the Fourth Proportional to 161,934.60, 242,610.30 and 99,532.20

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Solution

The fourth proportional to 161,934.60, 242,610.30 and 99,532.20 is: 149,119.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,934.60 : 242,610.30 = 99,532.20 : x
  2. Step 2: Convert to fraction form
    161,934.60/242,610.30 = 99,532.20/x
  3. Step 3: Cross multiply
    161,934.60x = 242,610.30 × 99,532.20
  4. Step 4: Simplify right side
    161,934.60x = 24,147,536,901.66
  5. Step 5: Solve for x
    x = 24,147,536,901.66/161,934.60
  6. Step 6: Final answer
    x = 149,119.07

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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.