Home / 161,367.05-222,689.39-89,747.11

Finding the Fourth Proportional to 161,367.05, 222,689.39 and 89,747.11

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Solution

The fourth proportional to 161,367.05, 222,689.39 and 89,747.11 is: 123,852.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,367.05 : 222,689.39 = 89,747.11 : x
  2. Step 2: Convert to fraction form
    161,367.05/222,689.39 = 89,747.11/x
  3. Step 3: Cross multiply
    161,367.05x = 222,689.39 × 89,747.11
  4. Step 4: Simplify right side
    161,367.05x = 19,985,729,180.16
  5. Step 5: Solve for x
    x = 19,985,729,180.16/161,367.05
  6. Step 6: Final answer
    x = 123,852.60

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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.