Home / 319,718.36-441,211.38-176,478.43

Finding the Fourth Proportional to 319,718.36, 441,211.38 and 176,478.43

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Solution

The fourth proportional to 319,718.36, 441,211.38 and 176,478.43 is: 243,540.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,718.36 : 441,211.38 = 176,478.43 : x
  2. Step 2: Convert to fraction form
    319,718.36/441,211.38 = 176,478.43/x
  3. Step 3: Cross multiply
    319,718.36x = 441,211.38 × 176,478.43
  4. Step 4: Simplify right side
    319,718.36x = 77,864,291,640.53
  5. Step 5: Solve for x
    x = 77,864,291,640.53/319,718.36
  6. Step 6: Final answer
    x = 243,540.26

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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.