Home / 197,754.72-272,899.86-107,108.58

Finding the Fourth Proportional to 197,754.72, 272,899.86 and 107,108.58

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Solution

The fourth proportional to 197,754.72, 272,899.86 and 107,108.58 is: 147,808.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,754.72 : 272,899.86 = 107,108.58 : x
  2. Step 2: Convert to fraction form
    197,754.72/272,899.86 = 107,108.58/x
  3. Step 3: Cross multiply
    197,754.72x = 272,899.86 × 107,108.58
  4. Step 4: Simplify right side
    197,754.72x = 29,229,916,486.80
  5. Step 5: Solve for x
    x = 29,229,916,486.80/197,754.72
  6. Step 6: Final answer
    x = 147,808.94

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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.