Home / 316,174.38-474,167.04-172,056.48

Finding the Fourth Proportional to 316,174.38, 474,167.04 and 172,056.48

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Solution

The fourth proportional to 316,174.38, 474,167.04 and 172,056.48 is: 258,033.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,174.38 : 474,167.04 = 172,056.48 : x
  2. Step 2: Convert to fraction form
    316,174.38/474,167.04 = 172,056.48/x
  3. Step 3: Cross multiply
    316,174.38x = 474,167.04 × 172,056.48
  4. Step 4: Simplify right side
    316,174.38x = 81,583,511,834.42
  5. Step 5: Solve for x
    x = 81,583,511,834.42/316,174.38
  6. Step 6: Final answer
    x = 258,033.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.