Home / 223,091.32-334,640.94-81,037.36

Finding the Fourth Proportional to 223,091.32, 334,640.94 and 81,037.36

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Solution

The fourth proportional to 223,091.32, 334,640.94 and 81,037.36 is: 121,557.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,091.32 : 334,640.94 = 81,037.36 : x
  2. Step 2: Convert to fraction form
    223,091.32/334,640.94 = 81,037.36/x
  3. Step 3: Cross multiply
    223,091.32x = 334,640.94 × 81,037.36
  4. Step 4: Simplify right side
    223,091.32x = 27,118,418,325.52
  5. Step 5: Solve for x
    x = 27,118,418,325.52/223,091.32
  6. Step 6: Final answer
    x = 121,557.48

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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.