Home / 160,876.20-222,035.81-89,279.22

Finding the Fourth Proportional to 160,876.20, 222,035.81 and 89,279.22

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Solution

The fourth proportional to 160,876.20, 222,035.81 and 89,279.22 is: 123,220.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,876.20 : 222,035.81 = 89,279.22 : x
  2. Step 2: Convert to fraction form
    160,876.20/222,035.81 = 89,279.22/x
  3. Step 3: Cross multiply
    160,876.20x = 222,035.81 × 89,279.22
  4. Step 4: Simplify right side
    160,876.20x = 19,823,183,482.47
  5. Step 5: Solve for x
    x = 19,823,183,482.47/160,876.20
  6. Step 6: Final answer
    x = 123,220.11

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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.