Home / 104,290.66-143,910.46-64,006.12

Finding the Fourth Proportional to 104,290.66, 143,910.46 and 64,006.12

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Solution

The fourth proportional to 104,290.66, 143,910.46 and 64,006.12 is: 88,321.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,290.66 : 143,910.46 = 64,006.12 : x
  2. Step 2: Convert to fraction form
    104,290.66/143,910.46 = 64,006.12/x
  3. Step 3: Cross multiply
    104,290.66x = 143,910.46 × 64,006.12
  4. Step 4: Simplify right side
    104,290.66x = 9,211,149,851.98
  5. Step 5: Solve for x
    x = 9,211,149,851.98/104,290.66
  6. Step 6: Final answer
    x = 88,321.91

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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.