Home / 161,176.28-222,424.25-88,578.41

Finding the Fourth Proportional to 161,176.28, 222,424.25 and 88,578.41

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Solution

The fourth proportional to 161,176.28, 222,424.25 and 88,578.41 is: 122,238.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,176.28 : 222,424.25 = 88,578.41 : x
  2. Step 2: Convert to fraction form
    161,176.28/222,424.25 = 88,578.41/x
  3. Step 3: Cross multiply
    161,176.28x = 222,424.25 × 88,578.41
  4. Step 4: Simplify right side
    161,176.28x = 19,701,984,855.43
  5. Step 5: Solve for x
    x = 19,701,984,855.43/161,176.28
  6. Step 6: Final answer
    x = 122,238.74

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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.