Home / 277,091.08-382,389.92-156,238.28

Finding the Fourth Proportional to 277,091.08, 382,389.92 and 156,238.28

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Solution

The fourth proportional to 277,091.08, 382,389.92 and 156,238.28 is: 215,611.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,091.08 : 382,389.92 = 156,238.28 : x
  2. Step 2: Convert to fraction form
    277,091.08/382,389.92 = 156,238.28/x
  3. Step 3: Cross multiply
    277,091.08x = 382,389.92 × 156,238.28
  4. Step 4: Simplify right side
    277,091.08x = 59,743,943,390.14
  5. Step 5: Solve for x
    x = 59,743,943,390.14/277,091.08
  6. Step 6: Final answer
    x = 215,611.21

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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.