Home / 161,297.97-222,578.53-89,673.63

Finding the Fourth Proportional to 161,297.97, 222,578.53 and 89,673.63

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Solution

The fourth proportional to 161,297.97, 222,578.53 and 89,673.63 is: 123,742.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,297.97 : 222,578.53 = 89,673.63 : x
  2. Step 2: Convert to fraction form
    161,297.97/222,578.53 = 89,673.63/x
  3. Step 3: Cross multiply
    161,297.97x = 222,578.53 × 89,673.63
  4. Step 4: Simplify right side
    161,297.97x = 19,959,424,745.16
  5. Step 5: Solve for x
    x = 19,959,424,745.16/161,297.97
  6. Step 6: Final answer
    x = 123,742.57

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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.