Home / 277,524.28-382,989.42-156,642.36

Finding the Fourth Proportional to 277,524.28, 382,989.42 and 156,642.36

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Solution

The fourth proportional to 277,524.28, 382,989.42 and 156,642.36 is: 216,169.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,524.28 : 382,989.42 = 156,642.36 : x
  2. Step 2: Convert to fraction form
    277,524.28/382,989.42 = 156,642.36/x
  3. Step 3: Cross multiply
    277,524.28x = 382,989.42 × 156,642.36
  4. Step 4: Simplify right side
    277,524.28x = 59,992,366,603.83
  5. Step 5: Solve for x
    x = 59,992,366,603.83/277,524.28
  6. Step 6: Final answer
    x = 216,169.79

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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.