Home / 277,288.12-382,657.86-149,963.71

Finding the Fourth Proportional to 277,288.12, 382,657.86 and 149,963.71

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Solution

The fourth proportional to 277,288.12, 382,657.86 and 149,963.71 is: 206,950.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,288.12 : 382,657.86 = 149,963.71 : x
  2. Step 2: Convert to fraction form
    277,288.12/382,657.86 = 149,963.71/x
  3. Step 3: Cross multiply
    277,288.12x = 382,657.86 × 149,963.71
  4. Step 4: Simplify right side
    277,288.12x = 57,384,792,972.44
  5. Step 5: Solve for x
    x = 57,384,792,972.44/277,288.12
  6. Step 6: Final answer
    x = 206,950.06

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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.