Home / 133,747.81-200,632.65-54,862.72

Finding the Fourth Proportional to 133,747.81, 200,632.65 and 54,862.72

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Solution

The fourth proportional to 133,747.81, 200,632.65 and 54,862.72 is: 82,298.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,747.81 : 200,632.65 = 54,862.72 : x
  2. Step 2: Convert to fraction form
    133,747.81/200,632.65 = 54,862.72/x
  3. Step 3: Cross multiply
    133,747.81x = 200,632.65 × 54,862.72
  4. Step 4: Simplify right side
    133,747.81x = 11,007,252,192.49
  5. Step 5: Solve for x
    x = 11,007,252,192.49/133,747.81
  6. Step 6: Final answer
    x = 82,298.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.