Home / 277,186.78-382,518.34-149,862.37

Finding the Fourth Proportional to 277,186.78, 382,518.34 and 149,862.37

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Solution

The fourth proportional to 277,186.78, 382,518.34 and 149,862.37 is: 206,810.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,186.78 : 382,518.34 = 149,862.37 : x
  2. Step 2: Convert to fraction form
    277,186.78/382,518.34 = 149,862.37/x
  3. Step 3: Cross multiply
    277,186.78x = 382,518.34 × 149,862.37
  4. Step 4: Simplify right side
    277,186.78x = 57,325,105,000.87
  5. Step 5: Solve for x
    x = 57,325,105,000.87/277,186.78
  6. Step 6: Final answer
    x = 206,810.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.