Home / 347,454.20-521,181.30-236,862.20

Finding the Fourth Proportional to 347,454.20, 521,181.30 and 236,862.20

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Solution

The fourth proportional to 347,454.20, 521,181.30 and 236,862.20 is: 355,293.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,454.20 : 521,181.30 = 236,862.20 : x
  2. Step 2: Convert to fraction form
    347,454.20/521,181.30 = 236,862.20/x
  3. Step 3: Cross multiply
    347,454.20x = 521,181.30 × 236,862.20
  4. Step 4: Simplify right side
    347,454.20x = 123,448,149,316.86
  5. Step 5: Solve for x
    x = 123,448,149,316.86/347,454.20
  6. Step 6: Final answer
    x = 355,293.30

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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.