Home / 161,062.20-222,266.19-89,442.23

Finding the Fourth Proportional to 161,062.20, 222,266.19 and 89,442.23

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Solution

The fourth proportional to 161,062.20, 222,266.19 and 89,442.23 is: 123,430.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,062.20 : 222,266.19 = 89,442.23 : x
  2. Step 2: Convert to fraction form
    161,062.20/222,266.19 = 89,442.23/x
  3. Step 3: Cross multiply
    161,062.20x = 222,266.19 × 89,442.23
  4. Step 4: Simplify right side
    161,062.20x = 19,879,982,575.87
  5. Step 5: Solve for x
    x = 19,879,982,575.87/161,062.20
  6. Step 6: Final answer
    x = 123,430.47

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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.