Home / 161,206.02-222,469.71-89,589.06

Finding the Fourth Proportional to 161,206.02, 222,469.71 and 89,589.06

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Solution

The fourth proportional to 161,206.02, 222,469.71 and 89,589.06 is: 123,635.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,206.02 : 222,469.71 = 89,589.06 : x
  2. Step 2: Convert to fraction form
    161,206.02/222,469.71 = 89,589.06/x
  3. Step 3: Cross multiply
    161,206.02x = 222,469.71 × 89,589.06
  4. Step 4: Simplify right side
    161,206.02x = 19,930,852,197.37
  5. Step 5: Solve for x
    x = 19,930,852,197.37/161,206.02
  6. Step 6: Final answer
    x = 123,635.91

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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.