Home / 161,008.35-222,181.56-89,384.10

Finding the Fourth Proportional to 161,008.35, 222,181.56 and 89,384.10

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Solution

The fourth proportional to 161,008.35, 222,181.56 and 89,384.10 is: 123,344.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,008.35 : 222,181.56 = 89,384.10 : x
  2. Step 2: Convert to fraction form
    161,008.35/222,181.56 = 89,384.10/x
  3. Step 3: Cross multiply
    161,008.35x = 222,181.56 × 89,384.10
  4. Step 4: Simplify right side
    161,008.35x = 19,859,498,777.20
  5. Step 5: Solve for x
    x = 19,859,498,777.20/161,008.35
  6. Step 6: Final answer
    x = 123,344.53

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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.