Home / 319,738.68-441,239.67-176,498.58

Finding the Fourth Proportional to 319,738.68, 441,239.67 and 176,498.58

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Solution

The fourth proportional to 319,738.68, 441,239.67 and 176,498.58 is: 243,568.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,738.68 : 441,239.67 = 176,498.58 : x
  2. Step 2: Convert to fraction form
    319,738.68/441,239.67 = 176,498.58/x
  3. Step 3: Cross multiply
    319,738.68x = 441,239.67 × 176,498.58
  4. Step 4: Simplify right side
    319,738.68x = 77,878,175,194.67
  5. Step 5: Solve for x
    x = 77,878,175,194.67/319,738.68
  6. Step 6: Final answer
    x = 243,568.20

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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.