Home / 161,424-222,766.08-94,343.04

Finding the Fourth Proportional to 161,424, 222,766.08 and 94,343.04

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Solution

The fourth proportional to 161,424, 222,766.08 and 94,343.04 is: 130,193.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,424 : 222,766.08 = 94,343.04 : x
  2. Step 2: Convert to fraction form
    161,424/222,766.08 = 94,343.04/x
  3. Step 3: Cross multiply
    161,424x = 222,766.08 × 94,343.04
  4. Step 4: Simplify right side
    161,424x = 21,016,429,196.08
  5. Step 5: Solve for x
    x = 21,016,429,196.08/161,424
  6. Step 6: Final answer
    x = 130,193.96

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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.