Home / 164,387.58-226,841.94-100,716.72

Finding the Fourth Proportional to 164,387.58, 226,841.94 and 100,716.72

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Solution

The fourth proportional to 164,387.58, 226,841.94 and 100,716.72 is: 138,981.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,387.58 : 226,841.94 = 100,716.72 : x
  2. Step 2: Convert to fraction form
    164,387.58/226,841.94 = 100,716.72/x
  3. Step 3: Cross multiply
    164,387.58x = 226,841.94 × 100,716.72
  4. Step 4: Simplify right side
    164,387.58x = 22,846,776,155.24
  5. Step 5: Solve for x
    x = 22,846,776,155.24/164,387.58
  6. Step 6: Final answer
    x = 138,981.16

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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.