Home / 293,562.18-405,109.10-172,676.97

Finding the Fourth Proportional to 293,562.18, 405,109.10 and 172,676.97

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Solution

The fourth proportional to 293,562.18, 405,109.10 and 172,676.97 is: 238,290.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,562.18 : 405,109.10 = 172,676.97 : x
  2. Step 2: Convert to fraction form
    293,562.18/405,109.10 = 172,676.97/x
  3. Step 3: Cross multiply
    293,562.18x = 405,109.10 × 172,676.97
  4. Step 4: Simplify right side
    293,562.18x = 69,953,011,044.04
  5. Step 5: Solve for x
    x = 69,953,011,044.04/293,562.18
  6. Step 6: Final answer
    x = 238,290.27

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1.5x scale

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.