Home / 277,827.72-383,379.48-156,979.50

Finding the Fourth Proportional to 277,827.72, 383,379.48 and 156,979.50

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Solution

The fourth proportional to 277,827.72, 383,379.48 and 156,979.50 is: 216,618.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,827.72 : 383,379.48 = 156,979.50 : x
  2. Step 2: Convert to fraction form
    277,827.72/383,379.48 = 156,979.50/x
  3. Step 3: Cross multiply
    277,827.72x = 383,379.48 × 156,979.50
  4. Step 4: Simplify right side
    277,827.72x = 60,182,719,080.66
  5. Step 5: Solve for x
    x = 60,182,719,080.66/277,827.72
  6. Step 6: Final answer
    x = 216,618.84

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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.