Home / 197,632.61-272,732.94-106,988.51

Finding the Fourth Proportional to 197,632.61, 272,732.94 and 106,988.51

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Solution

The fourth proportional to 197,632.61, 272,732.94 and 106,988.51 is: 147,644.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,632.61 : 272,732.94 = 106,988.51 : x
  2. Step 2: Convert to fraction form
    197,632.61/272,732.94 = 106,988.51/x
  3. Step 3: Cross multiply
    197,632.61x = 272,732.94 × 106,988.51
  4. Step 4: Simplify right side
    197,632.61x = 29,179,289,514.85
  5. Step 5: Solve for x
    x = 29,179,289,514.85/197,632.61
  6. Step 6: Final answer
    x = 147,644.11

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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.