Home / 319,121.10-440,384.94-175,881.24

Finding the Fourth Proportional to 319,121.10, 440,384.94 and 175,881.24

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Solution

The fourth proportional to 319,121.10, 440,384.94 and 175,881.24 is: 242,714.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,121.10 : 440,384.94 = 175,881.24 : x
  2. Step 2: Convert to fraction form
    319,121.10/440,384.94 = 175,881.24/x
  3. Step 3: Cross multiply
    319,121.10x = 440,384.94 × 175,881.24
  4. Step 4: Simplify right side
    319,121.10x = 77,455,449,324.53
  5. Step 5: Solve for x
    x = 77,455,449,324.53/319,121.10
  6. Step 6: Final answer
    x = 242,714.91

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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.