Home / 277,115.52-382,386.94-156,249.61

Finding the Fourth Proportional to 277,115.52, 382,386.94 and 156,249.61

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Solution

The fourth proportional to 277,115.52, 382,386.94 and 156,249.61 is: 215,606.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,115.52 : 382,386.94 = 156,249.61 : x
  2. Step 2: Convert to fraction form
    277,115.52/382,386.94 = 156,249.61/x
  3. Step 3: Cross multiply
    277,115.52x = 382,386.94 × 156,249.61
  4. Step 4: Simplify right side
    277,115.52x = 59,747,808,897.50
  5. Step 5: Solve for x
    x = 59,747,808,897.50/277,115.52
  6. Step 6: Final answer
    x = 215,606.14

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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.