Home / 133,712.78-200,434.23-83,827.91

Finding the Fourth Proportional to 133,712.78, 200,434.23 and 83,827.91

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Solution

The fourth proportional to 133,712.78, 200,434.23 and 83,827.91 is: 125,657.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,712.78 : 200,434.23 = 83,827.91 : x
  2. Step 2: Convert to fraction form
    133,712.78/200,434.23 = 83,827.91/x
  3. Step 3: Cross multiply
    133,712.78x = 200,434.23 × 83,827.91
  4. Step 4: Simplify right side
    133,712.78x = 16,801,983,094.44
  5. Step 5: Solve for x
    x = 16,801,983,094.44/133,712.78
  6. Step 6: Final answer
    x = 125,657.28

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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.