Home / 231,819.60-347,959.80-113,624.40

Finding the Fourth Proportional to 231,819.60, 347,959.80 and 113,624.40

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Solution

The fourth proportional to 231,819.60, 347,959.80 and 113,624.40 is: 170,549.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,819.60 : 347,959.80 = 113,624.40 : x
  2. Step 2: Convert to fraction form
    231,819.60/347,959.80 = 113,624.40/x
  3. Step 3: Cross multiply
    231,819.60x = 347,959.80 × 113,624.40
  4. Step 4: Simplify right side
    231,819.60x = 39,536,723,499.12
  5. Step 5: Solve for x
    x = 39,536,723,499.12/231,819.60
  6. Step 6: Final answer
    x = 170,549.53

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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.