Home / 144,467.70-216,701.55-92,109.30

Finding the Fourth Proportional to 144,467.70, 216,701.55 and 92,109.30

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Solution

The fourth proportional to 144,467.70, 216,701.55 and 92,109.30 is: 138,163.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,467.70 : 216,701.55 = 92,109.30 : x
  2. Step 2: Convert to fraction form
    144,467.70/216,701.55 = 92,109.30/x
  3. Step 3: Cross multiply
    144,467.70x = 216,701.55 × 92,109.30
  4. Step 4: Simplify right side
    144,467.70x = 19,960,228,079.42
  5. Step 5: Solve for x
    x = 19,960,228,079.42/144,467.70
  6. Step 6: Final answer
    x = 138,163.95

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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.