Home / 104,406.38-144,080.90-56,659.73

Finding the Fourth Proportional to 104,406.38, 144,080.90 and 56,659.73

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Solution

The fourth proportional to 104,406.38, 144,080.90 and 56,659.73 is: 78,190.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,406.38 : 144,080.90 = 56,659.73 : x
  2. Step 2: Convert to fraction form
    104,406.38/144,080.90 = 56,659.73/x
  3. Step 3: Cross multiply
    104,406.38x = 144,080.90 × 56,659.73
  4. Step 4: Simplify right side
    104,406.38x = 8,163,585,252.36
  5. Step 5: Solve for x
    x = 8,163,585,252.36/104,406.38
  6. Step 6: Final answer
    x = 78,190.49

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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.