Home / 194,746.25-268,749.83-138,256.04

Finding the Fourth Proportional to 194,746.25, 268,749.83 and 138,256.04

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Solution

The fourth proportional to 194,746.25, 268,749.83 and 138,256.04 is: 190,793.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,746.25 : 268,749.83 = 138,256.04 : x
  2. Step 2: Convert to fraction form
    194,746.25/268,749.83 = 138,256.04/x
  3. Step 3: Cross multiply
    194,746.25x = 268,749.83 × 138,256.04
  4. Step 4: Simplify right side
    194,746.25x = 37,156,287,246.47
  5. Step 5: Solve for x
    x = 37,156,287,246.47/194,746.25
  6. Step 6: Final answer
    x = 190,793.34

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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.