Home / 161,441.85-242,162.97-77,182.20

Finding the Fourth Proportional to 161,441.85, 242,162.97 and 77,182.20

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Solution

The fourth proportional to 161,441.85, 242,162.97 and 77,182.20 is: 115,773.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,441.85 : 242,162.97 = 77,182.20 : x
  2. Step 2: Convert to fraction form
    161,441.85/242,162.97 = 77,182.20/x
  3. Step 3: Cross multiply
    161,441.85x = 242,162.97 × 77,182.20
  4. Step 4: Simplify right side
    161,441.85x = 18,690,670,783.13
  5. Step 5: Solve for x
    x = 18,690,670,783.13/161,441.85
  6. Step 6: Final answer
    x = 115,773.39

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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.