Home / 277,121.52-382,395.22-156,255.62

Finding the Fourth Proportional to 277,121.52, 382,395.22 and 156,255.62

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Solution

The fourth proportional to 277,121.52, 382,395.22 and 156,255.62 is: 215,614.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,121.52 : 382,395.22 = 156,255.62 : x
  2. Step 2: Convert to fraction form
    277,121.52/382,395.22 = 156,255.62/x
  3. Step 3: Cross multiply
    277,121.52x = 382,395.22 × 156,255.62
  4. Step 4: Simplify right side
    277,121.52x = 59,751,402,186.14
  5. Step 5: Solve for x
    x = 59,751,402,186.14/277,121.52
  6. Step 6: Final answer
    x = 215,614.44

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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.