Home / 277,020.13-382,138.01-185,297.89

Finding the Fourth Proportional to 277,020.13, 382,138.01 and 185,297.89

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Solution

The fourth proportional to 277,020.13, 382,138.01 and 185,297.89 is: 255,610.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,020.13 : 382,138.01 = 185,297.89 : x
  2. Step 2: Convert to fraction form
    277,020.13/382,138.01 = 185,297.89/x
  3. Step 3: Cross multiply
    277,020.13x = 382,138.01 × 185,297.89
  4. Step 4: Simplify right side
    277,020.13x = 70,809,366,015.31
  5. Step 5: Solve for x
    x = 70,809,366,015.31/277,020.13
  6. Step 6: Final answer
    x = 255,610.90

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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.