Home / 163,981.78-226,296.12-92,355.10

Finding the Fourth Proportional to 163,981.78, 226,296.12 and 92,355.10

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Solution

The fourth proportional to 163,981.78, 226,296.12 and 92,355.10 is: 127,450.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,981.78 : 226,296.12 = 92,355.10 : x
  2. Step 2: Convert to fraction form
    163,981.78/226,296.12 = 92,355.10/x
  3. Step 3: Cross multiply
    163,981.78x = 226,296.12 × 92,355.10
  4. Step 4: Simplify right side
    163,981.78x = 20,899,600,792.21
  5. Step 5: Solve for x
    x = 20,899,600,792.21/163,981.78
  6. Step 6: Final answer
    x = 127,450.75

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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.