Home / 161,100.16-222,318.24-89,486.84

Finding the Fourth Proportional to 161,100.16, 222,318.24 and 89,486.84

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Solution

The fourth proportional to 161,100.16, 222,318.24 and 89,486.84 is: 123,491.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,100.16 : 222,318.24 = 89,486.84 : x
  2. Step 2: Convert to fraction form
    161,100.16/222,318.24 = 89,486.84/x
  3. Step 3: Cross multiply
    161,100.16x = 222,318.24 × 89,486.84
  4. Step 4: Simplify right side
    161,100.16x = 19,894,556,771.96
  5. Step 5: Solve for x
    x = 19,894,556,771.96/161,100.16
  6. Step 6: Final answer
    x = 123,491.85

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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.