Home / 292,621.14-439,116.25-115,105.09

Finding the Fourth Proportional to 292,621.14, 439,116.25 and 115,105.09

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Solution

The fourth proportional to 292,621.14, 439,116.25 and 115,105.09 is: 172,730.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,621.14 : 439,116.25 = 115,105.09 : x
  2. Step 2: Convert to fraction form
    292,621.14/439,116.25 = 115,105.09/x
  3. Step 3: Cross multiply
    292,621.14x = 439,116.25 × 115,105.09
  4. Step 4: Simplify right side
    292,621.14x = 50,544,515,476.71
  5. Step 5: Solve for x
    x = 50,544,515,476.71/292,621.14
  6. Step 6: Final answer
    x = 172,730.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.