Home / 194,801.40-268,833.96-109,918.08

Finding the Fourth Proportional to 194,801.40, 268,833.96 and 109,918.08

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Solution

The fourth proportional to 194,801.40, 268,833.96 and 109,918.08 is: 151,691.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,801.40 : 268,833.96 = 109,918.08 : x
  2. Step 2: Convert to fraction form
    194,801.40/268,833.96 = 109,918.08/x
  3. Step 3: Cross multiply
    194,801.40x = 268,833.96 × 109,918.08
  4. Step 4: Simplify right side
    194,801.40x = 29,549,712,722.00
  5. Step 5: Solve for x
    x = 29,549,712,722.00/194,801.40
  6. Step 6: Final answer
    x = 151,691.48

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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.