Home / 161,269.08-222,559.56-89,650.56

Finding the Fourth Proportional to 161,269.08, 222,559.56 and 89,650.56

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Solution

The fourth proportional to 161,269.08, 222,559.56 and 89,650.56 is: 123,722.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,269.08 : 222,559.56 = 89,650.56 : x
  2. Step 2: Convert to fraction form
    161,269.08/222,559.56 = 89,650.56/x
  3. Step 3: Cross multiply
    161,269.08x = 222,559.56 × 89,650.56
  4. Step 4: Simplify right side
    161,269.08x = 19,952,589,187.35
  5. Step 5: Solve for x
    x = 19,952,589,187.35/161,269.08
  6. Step 6: Final answer
    x = 123,722.35

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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.