Home / 251,118.54-346,546.15-136,398.31

Finding the Fourth Proportional to 251,118.54, 346,546.15 and 136,398.31

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Solution

The fourth proportional to 251,118.54, 346,546.15 and 136,398.31 is: 188,231.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,118.54 : 346,546.15 = 136,398.31 : x
  2. Step 2: Convert to fraction form
    251,118.54/346,546.15 = 136,398.31/x
  3. Step 3: Cross multiply
    251,118.54x = 346,546.15 × 136,398.31
  4. Step 4: Simplify right side
    251,118.54x = 47,268,307,989.65
  5. Step 5: Solve for x
    x = 47,268,307,989.65/251,118.54
  6. Step 6: Final answer
    x = 188,231.06

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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.