Home / 161,069.92-222,270.40-89,454.56

Finding the Fourth Proportional to 161,069.92, 222,270.40 and 89,454.56

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Solution

The fourth proportional to 161,069.92, 222,270.40 and 89,454.56 is: 123,443.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,069.92 : 222,270.40 = 89,454.56 : x
  2. Step 2: Convert to fraction form
    161,069.92/222,270.40 = 89,454.56/x
  3. Step 3: Cross multiply
    161,069.92x = 222,270.40 × 89,454.56
  4. Step 4: Simplify right side
    161,069.92x = 19,883,100,085.08
  5. Step 5: Solve for x
    x = 19,883,100,085.08/161,069.92
  6. Step 6: Final answer
    x = 123,443.91

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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.