Home / 161,022.60-222,199.88-89,398.35

Finding the Fourth Proportional to 161,022.60, 222,199.88 and 89,398.35

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Solution

The fourth proportional to 161,022.60, 222,199.88 and 89,398.35 is: 123,363.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,022.60 : 222,199.88 = 89,398.35 : x
  2. Step 2: Convert to fraction form
    161,022.60/222,199.88 = 89,398.35/x
  3. Step 3: Cross multiply
    161,022.60x = 222,199.88 × 89,398.35
  4. Step 4: Simplify right side
    161,022.60x = 19,864,302,195.21
  5. Step 5: Solve for x
    x = 19,864,302,195.21/161,022.60
  6. Step 6: Final answer
    x = 123,363.44

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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.