Home / 110,943.20-166,414.80-98,477.30

Finding the Fourth Proportional to 110,943.20, 166,414.80 and 98,477.30

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Solution

The fourth proportional to 110,943.20, 166,414.80 and 98,477.30 is: 147,715.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,943.20 : 166,414.80 = 98,477.30 : x
  2. Step 2: Convert to fraction form
    110,943.20/166,414.80 = 98,477.30/x
  3. Step 3: Cross multiply
    110,943.20x = 166,414.80 × 98,477.30
  4. Step 4: Simplify right side
    110,943.20x = 16,388,080,184.04
  5. Step 5: Solve for x
    x = 16,388,080,184.04/110,943.20
  6. Step 6: Final answer
    x = 147,715.95

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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.