Home / 347,631.60-521,447.40-110,998.20

Finding the Fourth Proportional to 347,631.60, 521,447.40 and 110,998.20

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Solution

The fourth proportional to 347,631.60, 521,447.40 and 110,998.20 is: 166,497.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,631.60 : 521,447.40 = 110,998.20 : x
  2. Step 2: Convert to fraction form
    347,631.60/521,447.40 = 110,998.20/x
  3. Step 3: Cross multiply
    347,631.60x = 521,447.40 × 110,998.20
  4. Step 4: Simplify right side
    347,631.60x = 57,879,722,794.68
  5. Step 5: Solve for x
    x = 57,879,722,794.68/347,631.60
  6. Step 6: Final answer
    x = 166,497.30

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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.