Home / 207,510.20-311,043.56-148,165.95

Finding the Fourth Proportional to 207,510.20, 311,043.56 and 148,165.95

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Solution

The fourth proportional to 207,510.20, 311,043.56 and 148,165.95 is: 222,090.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,510.20 : 311,043.56 = 148,165.95 : x
  2. Step 2: Convert to fraction form
    207,510.20/311,043.56 = 148,165.95/x
  3. Step 3: Cross multiply
    207,510.20x = 311,043.56 × 148,165.95
  4. Step 4: Simplify right side
    207,510.20x = 46,086,063,817.95
  5. Step 5: Solve for x
    x = 46,086,063,817.95/207,510.20
  6. Step 6: Final answer
    x = 222,090.60

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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.