Home / 109,942.80-164,719.80-93,224.40

Finding the Fourth Proportional to 109,942.80, 164,719.80 and 93,224.40

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Solution

The fourth proportional to 109,942.80, 164,719.80 and 93,224.40 is: 139,671.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,942.80 : 164,719.80 = 93,224.40 : x
  2. Step 2: Convert to fraction form
    109,942.80/164,719.80 = 93,224.40/x
  3. Step 3: Cross multiply
    109,942.80x = 164,719.80 × 93,224.40
  4. Step 4: Simplify right side
    109,942.80x = 15,355,904,523.12
  5. Step 5: Solve for x
    x = 15,355,904,523.12/109,942.80
  6. Step 6: Final answer
    x = 139,671.76

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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.