Home / 293,574.69-405,126.18-172,723.77

Finding the Fourth Proportional to 293,574.69, 405,126.18 and 172,723.77

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Solution

The fourth proportional to 293,574.69, 405,126.18 and 172,723.77 is: 238,354.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,574.69 : 405,126.18 = 172,723.77 : x
  2. Step 2: Convert to fraction form
    293,574.69/405,126.18 = 172,723.77/x
  3. Step 3: Cross multiply
    293,574.69x = 405,126.18 × 172,723.77
  4. Step 4: Simplify right side
    293,574.69x = 69,974,921,135.30
  5. Step 5: Solve for x
    x = 69,974,921,135.30/293,574.69
  6. Step 6: Final answer
    x = 238,354.75

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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.