Home / 231,659.40-347,713.80-111,800.73

Finding the Fourth Proportional to 231,659.40, 347,713.80 and 111,800.73

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Solution

The fourth proportional to 231,659.40, 347,713.80 and 111,800.73 is: 167,809.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,659.40 : 347,713.80 = 111,800.73 : x
  2. Step 2: Convert to fraction form
    231,659.40/347,713.80 = 111,800.73/x
  3. Step 3: Cross multiply
    231,659.40x = 347,713.80 × 111,800.73
  4. Step 4: Simplify right side
    231,659.40x = 38,874,656,671.07
  5. Step 5: Solve for x
    x = 38,874,656,671.07/231,659.40
  6. Step 6: Final answer
    x = 167,809.54

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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.