Home / 347,766.60-521,520.30-123,040.20

Finding the Fourth Proportional to 347,766.60, 521,520.30 and 123,040.20

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Solution

The fourth proportional to 347,766.60, 521,520.30 and 123,040.20 is: 184,514.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,766.60 : 521,520.30 = 123,040.20 : x
  2. Step 2: Convert to fraction form
    347,766.60/521,520.30 = 123,040.20/x
  3. Step 3: Cross multiply
    347,766.60x = 521,520.30 × 123,040.20
  4. Step 4: Simplify right side
    347,766.60x = 64,167,962,016.06
  5. Step 5: Solve for x
    x = 64,167,962,016.06/347,766.60
  6. Step 6: Final answer
    x = 184,514.45

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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.