Home / 161,068.96-222,282.60-89,449.30

Finding the Fourth Proportional to 161,068.96, 222,282.60 and 89,449.30

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Solution

The fourth proportional to 161,068.96, 222,282.60 and 89,449.30 is: 123,444.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,068.96 : 222,282.60 = 89,449.30 : x
  2. Step 2: Convert to fraction form
    161,068.96/222,282.60 = 89,449.30/x
  3. Step 3: Cross multiply
    161,068.96x = 222,282.60 × 89,449.30
  4. Step 4: Simplify right side
    161,068.96x = 19,883,022,972.18
  5. Step 5: Solve for x
    x = 19,883,022,972.18/161,068.96
  6. Step 6: Final answer
    x = 123,444.16

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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.