Home / 161,284.01-222,579.53-89,665.23

Finding the Fourth Proportional to 161,284.01, 222,579.53 and 89,665.23

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Solution

The fourth proportional to 161,284.01, 222,579.53 and 89,665.23 is: 123,742.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,284.01 : 222,579.53 = 89,665.23 : x
  2. Step 2: Convert to fraction form
    161,284.01/222,579.53 = 89,665.23/x
  3. Step 3: Cross multiply
    161,284.01x = 222,579.53 × 89,665.23
  4. Step 4: Simplify right side
    161,284.01x = 19,957,644,302.42
  5. Step 5: Solve for x
    x = 19,957,644,302.42/161,284.01
  6. Step 6: Final answer
    x = 123,742.24

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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.