Home / 161,086.77-222,302.48-88,492.73

Finding the Fourth Proportional to 161,086.77, 222,302.48 and 88,492.73

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Solution

The fourth proportional to 161,086.77, 222,302.48 and 88,492.73 is: 122,121.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,086.77 : 222,302.48 = 88,492.73 : x
  2. Step 2: Convert to fraction form
    161,086.77/222,302.48 = 88,492.73/x
  3. Step 3: Cross multiply
    161,086.77x = 222,302.48 × 88,492.73
  4. Step 4: Simplify right side
    161,086.77x = 19,672,151,786.99
  5. Step 5: Solve for x
    x = 19,672,151,786.99/161,086.77
  6. Step 6: Final answer
    x = 122,121.46

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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.