Home / 161,170.85-222,402.39-88,569.92

Finding the Fourth Proportional to 161,170.85, 222,402.39 and 88,569.92

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Solution

The fourth proportional to 161,170.85, 222,402.39 and 88,569.92 is: 122,219.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,170.85 : 222,402.39 = 88,569.92 : x
  2. Step 2: Convert to fraction form
    161,170.85/222,402.39 = 88,569.92/x
  3. Step 3: Cross multiply
    161,170.85x = 222,402.39 × 88,569.92
  4. Step 4: Simplify right side
    161,170.85x = 19,698,162,113.98
  5. Step 5: Solve for x
    x = 19,698,162,113.98/161,170.85
  6. Step 6: Final answer
    x = 122,219.14

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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.