Home / 161,196.24-222,486.92-89,601.36

Finding the Fourth Proportional to 161,196.24, 222,486.92 and 89,601.36

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Solution

The fourth proportional to 161,196.24, 222,486.92 and 89,601.36 is: 123,669.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,196.24 : 222,486.92 = 89,601.36 : x
  2. Step 2: Convert to fraction form
    161,196.24/222,486.92 = 89,601.36/x
  3. Step 3: Cross multiply
    161,196.24x = 222,486.92 × 89,601.36
  4. Step 4: Simplify right side
    161,196.24x = 19,935,130,614.21
  5. Step 5: Solve for x
    x = 19,935,130,614.21/161,196.24
  6. Step 6: Final answer
    x = 123,669.95

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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.