Home / 161,173.80-222,423.32-88,577.68

Finding the Fourth Proportional to 161,173.80, 222,423.32 and 88,577.68

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Solution

The fourth proportional to 161,173.80, 222,423.32 and 88,577.68 is: 122,239.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,173.80 : 222,423.32 = 88,577.68 : x
  2. Step 2: Convert to fraction form
    161,173.80/222,423.32 = 88,577.68/x
  3. Step 3: Cross multiply
    161,173.80x = 222,423.32 × 88,577.68
  4. Step 4: Simplify right side
    161,173.80x = 19,701,741,663.50
  5. Step 5: Solve for x
    x = 19,701,741,663.50/161,173.80
  6. Step 6: Final answer
    x = 122,239.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.