Home / 231,748.80-347,623.20-73,982.40

Finding the Fourth Proportional to 231,748.80, 347,623.20 and 73,982.40

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Solution

The fourth proportional to 231,748.80, 347,623.20 and 73,982.40 is: 110,973.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,748.80 : 347,623.20 = 73,982.40 : x
  2. Step 2: Convert to fraction form
    231,748.80/347,623.20 = 73,982.40/x
  3. Step 3: Cross multiply
    231,748.80x = 347,623.20 × 73,982.40
  4. Step 4: Simplify right side
    231,748.80x = 25,717,998,631.68
  5. Step 5: Solve for x
    x = 25,717,998,631.68/231,748.80
  6. Step 6: Final answer
    x = 110,973.60

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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.