Home / 161,234.61-222,494.20-89,612.18

Finding the Fourth Proportional to 161,234.61, 222,494.20 and 89,612.18

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Solution

The fourth proportional to 161,234.61, 222,494.20 and 89,612.18 is: 123,659.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,234.61 : 222,494.20 = 89,612.18 : x
  2. Step 2: Convert to fraction form
    161,234.61/222,494.20 = 89,612.18/x
  3. Step 3: Cross multiply
    161,234.61x = 222,494.20 × 89,612.18
  4. Step 4: Simplify right side
    161,234.61x = 19,938,190,299.36
  5. Step 5: Solve for x
    x = 19,938,190,299.36/161,234.61
  6. Step 6: Final answer
    x = 123,659.49

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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.