Home / 161,531.43-222,918.57-88,942.01

Finding the Fourth Proportional to 161,531.43, 222,918.57 and 88,942.01

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Solution

The fourth proportional to 161,531.43, 222,918.57 and 88,942.01 is: 122,742.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,531.43 : 222,918.57 = 88,942.01 : x
  2. Step 2: Convert to fraction form
    161,531.43/222,918.57 = 88,942.01/x
  3. Step 3: Cross multiply
    161,531.43x = 222,918.57 × 88,942.01
  4. Step 4: Simplify right side
    161,531.43x = 19,826,824,567.53
  5. Step 5: Solve for x
    x = 19,826,824,567.53/161,531.43
  6. Step 6: Final answer
    x = 122,742.83

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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.