Home / 293,531.10-405,079.48-164,479.20

Finding the Fourth Proportional to 293,531.10, 405,079.48 and 164,479.20

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Solution

The fourth proportional to 293,531.10, 405,079.48 and 164,479.20 is: 226,984.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,531.10 : 405,079.48 = 164,479.20 : x
  2. Step 2: Convert to fraction form
    293,531.10/405,079.48 = 164,479.20/x
  3. Step 3: Cross multiply
    293,531.10x = 405,079.48 × 164,479.20
  4. Step 4: Simplify right side
    293,531.10x = 66,627,148,806.82
  5. Step 5: Solve for x
    x = 66,627,148,806.82/293,531.10
  6. Step 6: Final answer
    x = 226,984.97

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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.