Home / 197,037.50-271,911.75-107,613.50

Finding the Fourth Proportional to 197,037.50, 271,911.75 and 107,613.50

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Solution

The fourth proportional to 197,037.50, 271,911.75 and 107,613.50 is: 148,506.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,037.50 : 271,911.75 = 107,613.50 : x
  2. Step 2: Convert to fraction form
    197,037.50/271,911.75 = 107,613.50/x
  3. Step 3: Cross multiply
    197,037.50x = 271,911.75 × 107,613.50
  4. Step 4: Simplify right side
    197,037.50x = 29,261,375,108.63
  5. Step 5: Solve for x
    x = 29,261,375,108.63/197,037.50
  6. Step 6: Final answer
    x = 148,506.63

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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.