Home / 161,061.70-222,265.51-89,441.73

Finding the Fourth Proportional to 161,061.70, 222,265.51 and 89,441.73

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Solution

The fourth proportional to 161,061.70, 222,265.51 and 89,441.73 is: 123,429.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,061.70 : 222,265.51 = 89,441.73 : x
  2. Step 2: Convert to fraction form
    161,061.70/222,265.51 = 89,441.73/x
  3. Step 3: Cross multiply
    161,061.70x = 222,265.51 × 89,441.73
  4. Step 4: Simplify right side
    161,061.70x = 19,879,811,733.73
  5. Step 5: Solve for x
    x = 19,879,811,733.73/161,061.70
  6. Step 6: Final answer
    x = 123,429.79

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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.