Home / 331,467.24-497,259.30-121,398.60

Finding the Fourth Proportional to 331,467.24, 497,259.30 and 121,398.60

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Solution

The fourth proportional to 331,467.24, 497,259.30 and 121,398.60 is: 182,119.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,467.24 : 497,259.30 = 121,398.60 : x
  2. Step 2: Convert to fraction form
    331,467.24/497,259.30 = 121,398.60/x
  3. Step 3: Cross multiply
    331,467.24x = 497,259.30 × 121,398.60
  4. Step 4: Simplify right side
    331,467.24x = 60,366,582,856.98
  5. Step 5: Solve for x
    x = 60,366,582,856.98/331,467.24
  6. Step 6: Final answer
    x = 182,119.30

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1.5x scale

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.