Home / 231,629.20-347,443.80-160,770.40

Finding the Fourth Proportional to 231,629.20, 347,443.80 and 160,770.40

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Solution

The fourth proportional to 231,629.20, 347,443.80 and 160,770.40 is: 241,155.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,629.20 : 347,443.80 = 160,770.40 : x
  2. Step 2: Convert to fraction form
    231,629.20/347,443.80 = 160,770.40/x
  3. Step 3: Cross multiply
    231,629.20x = 347,443.80 × 160,770.40
  4. Step 4: Simplify right side
    231,629.20x = 55,858,678,703.52
  5. Step 5: Solve for x
    x = 55,858,678,703.52/231,629.20
  6. Step 6: Final answer
    x = 241,155.60

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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.