Home / 187,743.71-281,800.59-133,768.34

Finding the Fourth Proportional to 187,743.71, 281,800.59 and 133,768.34

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Solution

The fourth proportional to 187,743.71, 281,800.59 and 133,768.34 is: 200,784.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,743.71 : 281,800.59 = 133,768.34 : x
  2. Step 2: Convert to fraction form
    187,743.71/281,800.59 = 133,768.34/x
  3. Step 3: Cross multiply
    187,743.71x = 281,800.59 × 133,768.34
  4. Step 4: Simplify right side
    187,743.71x = 37,695,997,866.57
  5. Step 5: Solve for x
    x = 37,695,997,866.57/187,743.71
  6. Step 6: Final answer
    x = 200,784.35

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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.