Home / 194,917.22-292,478.30-138,356.13

Finding the Fourth Proportional to 194,917.22, 292,478.30 and 138,356.13

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Solution

The fourth proportional to 194,917.22, 292,478.30 and 138,356.13 is: 207,606.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,917.22 : 292,478.30 = 138,356.13 : x
  2. Step 2: Convert to fraction form
    194,917.22/292,478.30 = 138,356.13/x
  3. Step 3: Cross multiply
    194,917.22x = 292,478.30 × 138,356.13
  4. Step 4: Simplify right side
    194,917.22x = 40,466,165,005.20
  5. Step 5: Solve for x
    x = 40,466,165,005.20/194,917.22
  6. Step 6: Final answer
    x = 207,606.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.