Home / 161,446.15-242,190.39-53,339.60

Finding the Fourth Proportional to 161,446.15, 242,190.39 and 53,339.60

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Solution

The fourth proportional to 161,446.15, 242,190.39 and 53,339.60 is: 80,016.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,446.15 : 242,190.39 = 53,339.60 : x
  2. Step 2: Convert to fraction form
    161,446.15/242,190.39 = 53,339.60/x
  3. Step 3: Cross multiply
    161,446.15x = 242,190.39 × 53,339.60
  4. Step 4: Simplify right side
    161,446.15x = 12,918,338,259.75
  5. Step 5: Solve for x
    x = 12,918,338,259.75/161,446.15
  6. Step 6: Final answer
    x = 80,016.39

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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.