Home / 304,844.29-420,683.75-175,782.13

Finding the Fourth Proportional to 304,844.29, 420,683.75 and 175,782.13

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Solution

The fourth proportional to 304,844.29, 420,683.75 and 175,782.13 is: 242,578.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,844.29 : 420,683.75 = 175,782.13 : x
  2. Step 2: Convert to fraction form
    304,844.29/420,683.75 = 175,782.13/x
  3. Step 3: Cross multiply
    304,844.29x = 420,683.75 × 175,782.13
  4. Step 4: Simplify right side
    304,844.29x = 73,948,685,631.39
  5. Step 5: Solve for x
    x = 73,948,685,631.39/304,844.29
  6. Step 6: Final answer
    x = 242,578.55

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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.