Home / 161,061.82-222,275.59-89,441.82

Finding the Fourth Proportional to 161,061.82, 222,275.59 and 89,441.82

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Solution

The fourth proportional to 161,061.82, 222,275.59 and 89,441.82 is: 123,435.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,061.82 : 222,275.59 = 89,441.82 : x
  2. Step 2: Convert to fraction form
    161,061.82/222,275.59 = 89,441.82/x
  3. Step 3: Cross multiply
    161,061.82x = 222,275.59 × 89,441.82
  4. Step 4: Simplify right side
    161,061.82x = 19,880,733,087.57
  5. Step 5: Solve for x
    x = 19,880,733,087.57/161,061.82
  6. Step 6: Final answer
    x = 123,435.42

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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.