Home / 319,116.62-440,386.08-175,874.60

Finding the Fourth Proportional to 319,116.62, 440,386.08 and 175,874.60

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Solution

The fourth proportional to 319,116.62, 440,386.08 and 175,874.60 is: 242,709.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,116.62 : 440,386.08 = 175,874.60 : x
  2. Step 2: Convert to fraction form
    319,116.62/440,386.08 = 175,874.60/x
  3. Step 3: Cross multiply
    319,116.62x = 440,386.08 × 175,874.60
  4. Step 4: Simplify right side
    319,116.62x = 77,452,725,665.57
  5. Step 5: Solve for x
    x = 77,452,725,665.57/319,116.62
  6. Step 6: Final answer
    x = 242,709.78

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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.