Home / 223,969.32-336,085.20-83,826.36

Finding the Fourth Proportional to 223,969.32, 336,085.20 and 83,826.36

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Solution

The fourth proportional to 223,969.32, 336,085.20 and 83,826.36 is: 125,788.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,969.32 : 336,085.20 = 83,826.36 : x
  2. Step 2: Convert to fraction form
    223,969.32/336,085.20 = 83,826.36/x
  3. Step 3: Cross multiply
    223,969.32x = 336,085.20 × 83,826.36
  4. Step 4: Simplify right side
    223,969.32x = 28,172,798,965.87
  5. Step 5: Solve for x
    x = 28,172,798,965.87/223,969.32
  6. Step 6: Final answer
    x = 125,788.65

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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.