Home / 104,221.32-143,826.06-58,900.20

Finding the Fourth Proportional to 104,221.32, 143,826.06 and 58,900.20

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Solution

The fourth proportional to 104,221.32, 143,826.06 and 58,900.20 is: 81,282.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,221.32 : 143,826.06 = 58,900.20 : x
  2. Step 2: Convert to fraction form
    104,221.32/143,826.06 = 58,900.20/x
  3. Step 3: Cross multiply
    104,221.32x = 143,826.06 × 58,900.20
  4. Step 4: Simplify right side
    104,221.32x = 8,471,383,699.21
  5. Step 5: Solve for x
    x = 8,471,383,699.21/104,221.32
  6. Step 6: Final answer
    x = 81,282.64

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1.5x scale

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.