Home / 176,156.78-242,760.77-172,917.91

Finding the Fourth Proportional to 176,156.78, 242,760.77 and 172,917.91

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Solution

The fourth proportional to 176,156.78, 242,760.77 and 172,917.91 is: 238,297.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,156.78 : 242,760.77 = 172,917.91 : x
  2. Step 2: Convert to fraction form
    176,156.78/242,760.77 = 172,917.91/x
  3. Step 3: Cross multiply
    176,156.78x = 242,760.77 × 172,917.91
  4. Step 4: Simplify right side
    176,156.78x = 41,977,683,764.59
  5. Step 5: Solve for x
    x = 41,977,683,764.59/176,156.78
  6. Step 6: Final answer
    x = 238,297.29

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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.