Home / 277,764.68-383,308.08-156,918.44

Finding the Fourth Proportional to 277,764.68, 383,308.08 and 156,918.44

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Solution

The fourth proportional to 277,764.68, 383,308.08 and 156,918.44 is: 216,543.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,764.68 : 383,308.08 = 156,918.44 : x
  2. Step 2: Convert to fraction form
    277,764.68/383,308.08 = 156,918.44/x
  3. Step 3: Cross multiply
    277,764.68x = 383,308.08 × 156,918.44
  4. Step 4: Simplify right side
    277,764.68x = 60,148,105,953.00
  5. Step 5: Solve for x
    x = 60,148,105,953.00/277,764.68
  6. Step 6: Final answer
    x = 216,543.39

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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.