Home / 197,760.16-272,908.90-107,117.89

Finding the Fourth Proportional to 197,760.16, 272,908.90 and 107,117.89

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Solution

The fourth proportional to 197,760.16, 272,908.90 and 107,117.89 is: 147,822.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,760.16 : 272,908.90 = 107,117.89 : x
  2. Step 2: Convert to fraction form
    197,760.16/272,908.90 = 107,117.89/x
  3. Step 3: Cross multiply
    197,760.16x = 272,908.90 × 107,117.89
  4. Step 4: Simplify right side
    197,760.16x = 29,233,425,914.42
  5. Step 5: Solve for x
    x = 29,233,425,914.42/197,760.16
  6. Step 6: Final answer
    x = 147,822.63

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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.