Home / 161,059.96-222,270.15-89,440.27

Finding the Fourth Proportional to 161,059.96, 222,270.15 and 89,440.27

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Solution

The fourth proportional to 161,059.96, 222,270.15 and 89,440.27 is: 123,431.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,059.96 : 222,270.15 = 89,440.27 : x
  2. Step 2: Convert to fraction form
    161,059.96/222,270.15 = 89,440.27/x
  3. Step 3: Cross multiply
    161,059.96x = 222,270.15 × 89,440.27
  4. Step 4: Simplify right side
    161,059.96x = 19,879,902,228.94
  5. Step 5: Solve for x
    x = 19,879,902,228.94/161,059.96
  6. Step 6: Final answer
    x = 123,431.68

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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.