Home / 197,105.68-272,006.04-107,681.68

Finding the Fourth Proportional to 197,105.68, 272,006.04 and 107,681.68

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Solution

The fourth proportional to 197,105.68, 272,006.04 and 107,681.68 is: 148,600.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,105.68 : 272,006.04 = 107,681.68 : x
  2. Step 2: Convert to fraction form
    197,105.68/272,006.04 = 107,681.68/x
  3. Step 3: Cross multiply
    197,105.68x = 272,006.04 × 107,681.68
  4. Step 4: Simplify right side
    197,105.68x = 29,290,067,357.35
  5. Step 5: Solve for x
    x = 29,290,067,357.35/197,105.68
  6. Step 6: Final answer
    x = 148,600.83

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1.5x scale

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.