Home / 231,505.20-347,257.80-73,732.40

Finding the Fourth Proportional to 231,505.20, 347,257.80 and 73,732.40

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Solution

The fourth proportional to 231,505.20, 347,257.80 and 73,732.40 is: 110,598.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,505.20 : 347,257.80 = 73,732.40 : x
  2. Step 2: Convert to fraction form
    231,505.20/347,257.80 = 73,732.40/x
  3. Step 3: Cross multiply
    231,505.20x = 347,257.80 × 73,732.40
  4. Step 4: Simplify right side
    231,505.20x = 25,604,151,012.72
  5. Step 5: Solve for x
    x = 25,604,151,012.72/231,505.20
  6. Step 6: Final answer
    x = 110,598.60

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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.