Home / 161,105.03-222,325.20-89,483.21

Finding the Fourth Proportional to 161,105.03, 222,325.20 and 89,483.21

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Solution

The fourth proportional to 161,105.03, 222,325.20 and 89,483.21 is: 123,486.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,105.03 : 222,325.20 = 89,483.21 : x
  2. Step 2: Convert to fraction form
    161,105.03/222,325.20 = 89,483.21/x
  3. Step 3: Cross multiply
    161,105.03x = 222,325.20 × 89,483.21
  4. Step 4: Simplify right side
    161,105.03x = 19,894,371,448.27
  5. Step 5: Solve for x
    x = 19,894,371,448.27/161,105.03
  6. Step 6: Final answer
    x = 123,486.97

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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.