Home / 161,226.50-222,496.35-89,609.54

Finding the Fourth Proportional to 161,226.50, 222,496.35 and 89,609.54

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Solution

The fourth proportional to 161,226.50, 222,496.35 and 89,609.54 is: 123,663.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,226.50 : 222,496.35 = 89,609.54 : x
  2. Step 2: Convert to fraction form
    161,226.50/222,496.35 = 89,609.54/x
  3. Step 3: Cross multiply
    161,226.50x = 222,496.35 × 89,609.54
  4. Step 4: Simplify right side
    161,226.50x = 19,937,795,575.18
  5. Step 5: Solve for x
    x = 19,937,795,575.18/161,226.50
  6. Step 6: Final answer
    x = 123,663.27

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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.