Home / 331,254.30-496,889.58-120,892.20

Finding the Fourth Proportional to 331,254.30, 496,889.58 and 120,892.20

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Solution

The fourth proportional to 331,254.30, 496,889.58 and 120,892.20 is: 181,341.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,254.30 : 496,889.58 = 120,892.20 : x
  2. Step 2: Convert to fraction form
    331,254.30/496,889.58 = 120,892.20/x
  3. Step 3: Cross multiply
    331,254.30x = 496,889.58 × 120,892.20
  4. Step 4: Simplify right side
    331,254.30x = 60,070,074,483.28
  5. Step 5: Solve for x
    x = 60,070,074,483.28/331,254.30
  6. Step 6: Final answer
    x = 181,341.27

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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.