Home / 293,569.69-405,119.29-172,718.74

Finding the Fourth Proportional to 293,569.69, 405,119.29 and 172,718.74

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Solution

The fourth proportional to 293,569.69, 405,119.29 and 172,718.74 is: 238,347.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,569.69 : 405,119.29 = 172,718.74 : x
  2. Step 2: Convert to fraction form
    293,569.69/405,119.29 = 172,718.74/x
  3. Step 3: Cross multiply
    293,569.69x = 405,119.29 × 172,718.74
  4. Step 4: Simplify right side
    293,569.69x = 69,971,694,650.97
  5. Step 5: Solve for x
    x = 69,971,694,650.97/293,569.69
  6. Step 6: Final answer
    x = 238,347.82

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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.