Home / 161,155.16-222,394.38-89,535.26

Finding the Fourth Proportional to 161,155.16, 222,394.38 and 89,535.26

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Solution

The fourth proportional to 161,155.16, 222,394.38 and 89,535.26 is: 123,558.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,155.16 : 222,394.38 = 89,535.26 : x
  2. Step 2: Convert to fraction form
    161,155.16/222,394.38 = 89,535.26/x
  3. Step 3: Cross multiply
    161,155.16x = 222,394.38 × 89,535.26
  4. Step 4: Simplify right side
    161,155.16x = 19,912,138,635.84
  5. Step 5: Solve for x
    x = 19,912,138,635.84/161,155.16
  6. Step 6: Final answer
    x = 123,558.80

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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.