Home / 196,939.74-271,776.15-107,515.74

Finding the Fourth Proportional to 196,939.74, 271,776.15 and 107,515.74

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Solution

The fourth proportional to 196,939.74, 271,776.15 and 107,515.74 is: 148,371.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,939.74 : 271,776.15 = 107,515.74 : x
  2. Step 2: Convert to fraction form
    196,939.74/271,776.15 = 107,515.74/x
  3. Step 3: Cross multiply
    196,939.74x = 271,776.15 × 107,515.74
  4. Step 4: Simplify right side
    196,939.74x = 29,220,213,881.60
  5. Step 5: Solve for x
    x = 29,220,213,881.60/196,939.74
  6. Step 6: Final answer
    x = 148,371.34

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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.