Home / 194,679.12-268,641.04-109,817.04

Finding the Fourth Proportional to 194,679.12, 268,641.04 and 109,817.04

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Solution

The fourth proportional to 194,679.12, 268,641.04 and 109,817.04 is: 151,538.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,679.12 : 268,641.04 = 109,817.04 : x
  2. Step 2: Convert to fraction form
    194,679.12/268,641.04 = 109,817.04/x
  3. Step 3: Cross multiply
    194,679.12x = 268,641.04 × 109,817.04
  4. Step 4: Simplify right side
    194,679.12x = 29,501,363,835.32
  5. Step 5: Solve for x
    x = 29,501,363,835.32/194,679.12
  6. Step 6: Final answer
    x = 151,538.41

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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.