Home / 185,086.40-277,740.66-79,905.26

Finding the Fourth Proportional to 185,086.40, 277,740.66 and 79,905.26

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Solution

The fourth proportional to 185,086.40, 277,740.66 and 79,905.26 is: 119,905.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,086.40 : 277,740.66 = 79,905.26 : x
  2. Step 2: Convert to fraction form
    185,086.40/277,740.66 = 79,905.26/x
  3. Step 3: Cross multiply
    185,086.40x = 277,740.66 × 79,905.26
  4. Step 4: Simplify right side
    185,086.40x = 22,192,938,261.17
  5. Step 5: Solve for x
    x = 22,192,938,261.17/185,086.40
  6. Step 6: Final answer
    x = 119,905.83

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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.