Home / 161,287.32-222,576.30-89,665.08

Finding the Fourth Proportional to 161,287.32, 222,576.30 and 89,665.08

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Solution

The fourth proportional to 161,287.32, 222,576.30 and 89,665.08 is: 123,737.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,287.32 : 222,576.30 = 89,665.08 : x
  2. Step 2: Convert to fraction form
    161,287.32/222,576.30 = 89,665.08/x
  3. Step 3: Cross multiply
    161,287.32x = 222,576.30 × 89,665.08
  4. Step 4: Simplify right side
    161,287.32x = 19,957,321,745.60
  5. Step 5: Solve for x
    x = 19,957,321,745.60/161,287.32
  6. Step 6: Final answer
    x = 123,737.70

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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.