Home / 197,632.11-272,732.25-106,988.01

Finding the Fourth Proportional to 197,632.11, 272,732.25 and 106,988.01

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Solution

The fourth proportional to 197,632.11, 272,732.25 and 106,988.01 is: 147,643.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,632.11 : 272,732.25 = 106,988.01 : x
  2. Step 2: Convert to fraction form
    197,632.11/272,732.25 = 106,988.01/x
  3. Step 3: Cross multiply
    197,632.11x = 272,732.25 × 106,988.01
  4. Step 4: Simplify right side
    197,632.11x = 29,179,079,326.66
  5. Step 5: Solve for x
    x = 29,179,079,326.66/197,632.11
  6. Step 6: Final answer
    x = 147,643.42

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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.