Home / 185,111.34-277,667.04-66,782.64

Finding the Fourth Proportional to 185,111.34, 277,667.04 and 66,782.64

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Solution

The fourth proportional to 185,111.34, 277,667.04 and 66,782.64 is: 100,173.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,111.34 : 277,667.04 = 66,782.64 : x
  2. Step 2: Convert to fraction form
    185,111.34/277,667.04 = 66,782.64/x
  3. Step 3: Cross multiply
    185,111.34x = 277,667.04 × 66,782.64
  4. Step 4: Simplify right side
    185,111.34x = 18,543,337,972.19
  5. Step 5: Solve for x
    x = 18,543,337,972.19/185,111.34
  6. Step 6: Final answer
    x = 100,173.97

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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.