Home / 161,508.11-222,878.97-89,888.12

Finding the Fourth Proportional to 161,508.11, 222,878.97 and 89,888.12

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Solution

The fourth proportional to 161,508.11, 222,878.97 and 89,888.12 is: 124,044.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,508.11 : 222,878.97 = 89,888.12 : x
  2. Step 2: Convert to fraction form
    161,508.11/222,878.97 = 89,888.12/x
  3. Step 3: Cross multiply
    161,508.11x = 222,878.97 × 89,888.12
  4. Step 4: Simplify right side
    161,508.11x = 20,034,171,600.84
  5. Step 5: Solve for x
    x = 20,034,171,600.84/161,508.11
  6. Step 6: Final answer
    x = 124,044.37

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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.