Home / 277,121.34-382,394.94-156,255.42

Finding the Fourth Proportional to 277,121.34, 382,394.94 and 156,255.42

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Solution

The fourth proportional to 277,121.34, 382,394.94 and 156,255.42 is: 215,614.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,121.34 : 382,394.94 = 156,255.42 : x
  2. Step 2: Convert to fraction form
    277,121.34/382,394.94 = 156,255.42/x
  3. Step 3: Cross multiply
    277,121.34x = 382,394.94 × 156,255.42
  4. Step 4: Simplify right side
    277,121.34x = 59,751,281,955.57
  5. Step 5: Solve for x
    x = 59,751,281,955.57/277,121.34
  6. Step 6: Final answer
    x = 215,614.15

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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.