Home / 197,817.06-272,987.17-107,175.27

Finding the Fourth Proportional to 197,817.06, 272,987.17 and 107,175.27

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Solution

The fourth proportional to 197,817.06, 272,987.17 and 107,175.27 is: 147,901.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,817.06 : 272,987.17 = 107,175.27 : x
  2. Step 2: Convert to fraction form
    197,817.06/272,987.17 = 107,175.27/x
  3. Step 3: Cross multiply
    197,817.06x = 272,987.17 × 107,175.27
  4. Step 4: Simplify right side
    197,817.06x = 29,257,474,808.96
  5. Step 5: Solve for x
    x = 29,257,474,808.96/197,817.06
  6. Step 6: Final answer
    x = 147,901.68

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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.