Home / 103,633.10-155,230.95-92,552.30

Finding the Fourth Proportional to 103,633.10, 155,230.95 and 92,552.30

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Solution

The fourth proportional to 103,633.10, 155,230.95 and 92,552.30 is: 138,633.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,633.10 : 155,230.95 = 92,552.30 : x
  2. Step 2: Convert to fraction form
    103,633.10/155,230.95 = 92,552.30/x
  3. Step 3: Cross multiply
    103,633.10x = 155,230.95 × 92,552.30
  4. Step 4: Simplify right side
    103,633.10x = 14,366,981,453.69
  5. Step 5: Solve for x
    x = 14,366,981,453.69/103,633.10
  6. Step 6: Final answer
    x = 138,633.13

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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.