Home / 228,156.42-314,843.01-126,175.86

Finding the Fourth Proportional to 228,156.42, 314,843.01 and 126,175.86

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Solution

The fourth proportional to 228,156.42, 314,843.01 and 126,175.86 is: 174,115.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,156.42 : 314,843.01 = 126,175.86 : x
  2. Step 2: Convert to fraction form
    228,156.42/314,843.01 = 126,175.86/x
  3. Step 3: Cross multiply
    228,156.42x = 314,843.01 × 126,175.86
  4. Step 4: Simplify right side
    228,156.42x = 39,725,587,551.74
  5. Step 5: Solve for x
    x = 39,725,587,551.74/228,156.42
  6. Step 6: Final answer
    x = 174,115.58

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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.