Home / 207,813.40-311,720.10-182,152.60

Finding the Fourth Proportional to 207,813.40, 311,720.10 and 182,152.60

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Solution

The fourth proportional to 207,813.40, 311,720.10 and 182,152.60 is: 273,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,813.40 : 311,720.10 = 182,152.60 : x
  2. Step 2: Convert to fraction form
    207,813.40/311,720.10 = 182,152.60/x
  3. Step 3: Cross multiply
    207,813.40x = 311,720.10 × 182,152.60
  4. Step 4: Simplify right side
    207,813.40x = 56,780,626,687.26
  5. Step 5: Solve for x
    x = 56,780,626,687.26/207,813.40
  6. Step 6: Final answer
    x = 273,228.90

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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.