Home / 161,224.73-222,488.52-89,603.21

Finding the Fourth Proportional to 161,224.73, 222,488.52 and 89,603.21

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Solution

The fourth proportional to 161,224.73, 222,488.52 and 89,603.21 is: 123,651.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,224.73 : 222,488.52 = 89,603.21 : x
  2. Step 2: Convert to fraction form
    161,224.73/222,488.52 = 89,603.21/x
  3. Step 3: Cross multiply
    161,224.73x = 222,488.52 × 89,603.21
  4. Step 4: Simplify right side
    161,224.73x = 19,935,686,304.38
  5. Step 5: Solve for x
    x = 19,935,686,304.38/161,224.73
  6. Step 6: Final answer
    x = 123,651.54

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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.