Home / 161,141.94-222,373.08-89,520.39

Finding the Fourth Proportional to 161,141.94, 222,373.08 and 89,520.39

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Solution

The fourth proportional to 161,141.94, 222,373.08 and 89,520.39 is: 123,536.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,141.94 : 222,373.08 = 89,520.39 : x
  2. Step 2: Convert to fraction form
    161,141.94/222,373.08 = 89,520.39/x
  3. Step 3: Cross multiply
    161,141.94x = 222,373.08 × 89,520.39
  4. Step 4: Simplify right side
    161,141.94x = 19,906,924,847.10
  5. Step 5: Solve for x
    x = 19,906,924,847.10/161,141.94
  6. Step 6: Final answer
    x = 123,536.58

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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.