Home / 277,028.73-382,294.46-156,170.10

Finding the Fourth Proportional to 277,028.73, 382,294.46 and 156,170.10

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Solution

The fourth proportional to 277,028.73, 382,294.46 and 156,170.10 is: 215,511.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,028.73 : 382,294.46 = 156,170.10 : x
  2. Step 2: Convert to fraction form
    277,028.73/382,294.46 = 156,170.10/x
  3. Step 3: Cross multiply
    277,028.73x = 382,294.46 × 156,170.10
  4. Step 4: Simplify right side
    277,028.73x = 59,702,963,266.80
  5. Step 5: Solve for x
    x = 59,702,963,266.80/277,028.73
  6. Step 6: Final answer
    x = 215,511.81

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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.