Home / 319,227.26-440,553.47-175,987.13

Finding the Fourth Proportional to 319,227.26, 440,553.47 and 175,987.13

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Solution

The fourth proportional to 319,227.26, 440,553.47 and 175,987.13 is: 242,873.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,227.26 : 440,553.47 = 175,987.13 : x
  2. Step 2: Convert to fraction form
    319,227.26/440,553.47 = 175,987.13/x
  3. Step 3: Cross multiply
    319,227.26x = 440,553.47 × 175,987.13
  4. Step 4: Simplify right side
    319,227.26x = 77,531,737,714.14
  5. Step 5: Solve for x
    x = 77,531,737,714.14/319,227.26
  6. Step 6: Final answer
    x = 242,873.18

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1.5x scale

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.