Home / 106,990.20-160,425.18-73,294.21

Finding the Fourth Proportional to 106,990.20, 160,425.18 and 73,294.21

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Solution

The fourth proportional to 106,990.20, 160,425.18 and 73,294.21 is: 109,900.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,990.20 : 160,425.18 = 73,294.21 : x
  2. Step 2: Convert to fraction form
    106,990.20/160,425.18 = 73,294.21/x
  3. Step 3: Cross multiply
    106,990.20x = 160,425.18 × 73,294.21
  4. Step 4: Simplify right side
    106,990.20x = 11,758,237,690.08
  5. Step 5: Solve for x
    x = 11,758,237,690.08/106,990.20
  6. Step 6: Final answer
    x = 109,900.13

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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.