Home / 293,657.25-405,212.61-172,771.95

Finding the Fourth Proportional to 293,657.25, 405,212.61 and 172,771.95

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Solution

The fourth proportional to 293,657.25, 405,212.61 and 172,771.95 is: 238,405.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,657.25 : 405,212.61 = 172,771.95 : x
  2. Step 2: Convert to fraction form
    293,657.25/405,212.61 = 172,771.95/x
  3. Step 3: Cross multiply
    293,657.25x = 405,212.61 × 172,771.95
  4. Step 4: Simplify right side
    293,657.25x = 70,009,372,794.29
  5. Step 5: Solve for x
    x = 70,009,372,794.29/293,657.25
  6. Step 6: Final answer
    x = 238,405.05

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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.