Home / 331,544.20-497,316.30-82,226.20

Finding the Fourth Proportional to 331,544.20, 497,316.30 and 82,226.20

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Solution

The fourth proportional to 331,544.20, 497,316.30 and 82,226.20 is: 123,339.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,544.20 : 497,316.30 = 82,226.20 : x
  2. Step 2: Convert to fraction form
    331,544.20/497,316.30 = 82,226.20/x
  3. Step 3: Cross multiply
    331,544.20x = 497,316.30 × 82,226.20
  4. Step 4: Simplify right side
    331,544.20x = 40,892,429,547.06
  5. Step 5: Solve for x
    x = 40,892,429,547.06/331,544.20
  6. Step 6: Final answer
    x = 123,339.30

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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.