Home / 277,086.10-382,371.14-156,226.32

Finding the Fourth Proportional to 277,086.10, 382,371.14 and 156,226.32

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Solution

The fourth proportional to 277,086.10, 382,371.14 and 156,226.32 is: 215,587.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,086.10 : 382,371.14 = 156,226.32 : x
  2. Step 2: Convert to fraction form
    277,086.10/382,371.14 = 156,226.32/x
  3. Step 3: Cross multiply
    277,086.10x = 382,371.14 × 156,226.32
  4. Step 4: Simplify right side
    277,086.10x = 59,736,436,076.40
  5. Step 5: Solve for x
    x = 59,736,436,076.40/277,086.10
  6. Step 6: Final answer
    x = 215,587.99

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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.