Home / 140,947.20-211,302.24-66,027.84

Finding the Fourth Proportional to 140,947.20, 211,302.24 and 66,027.84

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Solution

The fourth proportional to 140,947.20, 211,302.24 and 66,027.84 is: 98,986.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,947.20 : 211,302.24 = 66,027.84 : x
  2. Step 2: Convert to fraction form
    140,947.20/211,302.24 = 66,027.84/x
  3. Step 3: Cross multiply
    140,947.20x = 211,302.24 × 66,027.84
  4. Step 4: Simplify right side
    140,947.20x = 13,951,830,494.36
  5. Step 5: Solve for x
    x = 13,951,830,494.36/140,947.20
  6. Step 6: Final answer
    x = 98,986.22

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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.