Home / 161,529.67-222,910.94-89,908.16

Finding the Fourth Proportional to 161,529.67, 222,910.94 and 89,908.16

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Solution

The fourth proportional to 161,529.67, 222,910.94 and 89,908.16 is: 124,073.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,529.67 : 222,910.94 = 89,908.16 : x
  2. Step 2: Convert to fraction form
    161,529.67/222,910.94 = 89,908.16/x
  3. Step 3: Cross multiply
    161,529.67x = 222,910.94 × 89,908.16
  4. Step 4: Simplify right side
    161,529.67x = 20,041,511,569.49
  5. Step 5: Solve for x
    x = 20,041,511,569.49/161,529.67
  6. Step 6: Final answer
    x = 124,073.25

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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.