Home / 185,110.34-277,665.54-66,781.64

Finding the Fourth Proportional to 185,110.34, 277,665.54 and 66,781.64

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Solution

The fourth proportional to 185,110.34, 277,665.54 and 66,781.64 is: 100,172.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,110.34 : 277,665.54 = 66,781.64 : x
  2. Step 2: Convert to fraction form
    185,110.34/277,665.54 = 66,781.64/x
  3. Step 3: Cross multiply
    185,110.34x = 277,665.54 × 66,781.64
  4. Step 4: Simplify right side
    185,110.34x = 18,542,960,358.95
  5. Step 5: Solve for x
    x = 18,542,960,358.95/185,110.34
  6. Step 6: Final answer
    x = 100,172.47

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1.5x scale

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.