Home / 162,103.40-223,803.78-104,772.68

Finding the Fourth Proportional to 162,103.40, 223,803.78 and 104,772.68

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Solution

The fourth proportional to 162,103.40, 223,803.78 and 104,772.68 is: 144,651.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,103.40 : 223,803.78 = 104,772.68 : x
  2. Step 2: Convert to fraction form
    162,103.40/223,803.78 = 104,772.68/x
  3. Step 3: Cross multiply
    162,103.40x = 223,803.78 × 104,772.68
  4. Step 4: Simplify right side
    162,103.40x = 23,448,521,824.73
  5. Step 5: Solve for x
    x = 23,448,521,824.73/162,103.40
  6. Step 6: Final answer
    x = 144,651.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.