Home / 202,134.20-303,006.90-157,130.60

Finding the Fourth Proportional to 202,134.20, 303,006.90 and 157,130.60

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Solution

The fourth proportional to 202,134.20, 303,006.90 and 157,130.60 is: 235,544.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,134.20 : 303,006.90 = 157,130.60 : x
  2. Step 2: Convert to fraction form
    202,134.20/303,006.90 = 157,130.60/x
  3. Step 3: Cross multiply
    202,134.20x = 303,006.90 × 157,130.60
  4. Step 4: Simplify right side
    202,134.20x = 47,611,656,001.14
  5. Step 5: Solve for x
    x = 47,611,656,001.14/202,134.20
  6. Step 6: Final answer
    x = 235,544.78

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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.