Home / 277,121.46-382,395.12-156,255.55

Finding the Fourth Proportional to 277,121.46, 382,395.12 and 156,255.55

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Solution

The fourth proportional to 277,121.46, 382,395.12 and 156,255.55 is: 215,614.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,121.46 : 382,395.12 = 156,255.55 : x
  2. Step 2: Convert to fraction form
    277,121.46/382,395.12 = 156,255.55/x
  3. Step 3: Cross multiply
    277,121.46x = 382,395.12 × 156,255.55
  4. Step 4: Simplify right side
    277,121.46x = 59,751,359,792.92
  5. Step 5: Solve for x
    x = 59,751,359,792.92/277,121.46
  6. Step 6: Final answer
    x = 215,614.34

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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.