Home / 161,061.56-222,275.23-89,441.58

Finding the Fourth Proportional to 161,061.56, 222,275.23 and 89,441.58

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Solution

The fourth proportional to 161,061.56, 222,275.23 and 89,441.58 is: 123,435.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,061.56 : 222,275.23 = 89,441.58 : x
  2. Step 2: Convert to fraction form
    161,061.56/222,275.23 = 89,441.58/x
  3. Step 3: Cross multiply
    161,061.56x = 222,275.23 × 89,441.58
  4. Step 4: Simplify right side
    161,061.56x = 19,880,647,766.06
  5. Step 5: Solve for x
    x = 19,880,647,766.06/161,061.56
  6. Step 6: Final answer
    x = 123,435.09

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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.