Home / 161,045.83-222,452.40-122,571.64

Finding the Fourth Proportional to 161,045.83, 222,452.40 and 122,571.64

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Solution

The fourth proportional to 161,045.83, 222,452.40 and 122,571.64 is: 169,308.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,045.83 : 222,452.40 = 122,571.64 : x
  2. Step 2: Convert to fraction form
    161,045.83/222,452.40 = 122,571.64/x
  3. Step 3: Cross multiply
    161,045.83x = 222,452.40 × 122,571.64
  4. Step 4: Simplify right side
    161,045.83x = 27,266,355,489.94
  5. Step 5: Solve for x
    x = 27,266,355,489.94/161,045.83
  6. Step 6: Final answer
    x = 169,308.05

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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.