Home / 161,381.16-222,719.49-89,774.73

Finding the Fourth Proportional to 161,381.16, 222,719.49 and 89,774.73

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Solution

The fourth proportional to 161,381.16, 222,719.49 and 89,774.73 is: 123,896.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,381.16 : 222,719.49 = 89,774.73 : x
  2. Step 2: Convert to fraction form
    161,381.16/222,719.49 = 89,774.73/x
  3. Step 3: Cross multiply
    161,381.16x = 222,719.49 × 89,774.73
  4. Step 4: Simplify right side
    161,381.16x = 19,994,582,080.49
  5. Step 5: Solve for x
    x = 19,994,582,080.49/161,381.16
  6. Step 6: Final answer
    x = 123,896.63

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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.