Home / 104,233.18-143,765.85-65,998.96

Finding the Fourth Proportional to 104,233.18, 143,765.85 and 65,998.96

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Solution

The fourth proportional to 104,233.18, 143,765.85 and 65,998.96 is: 91,030.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,233.18 : 143,765.85 = 65,998.96 : x
  2. Step 2: Convert to fraction form
    104,233.18/143,765.85 = 65,998.96/x
  3. Step 3: Cross multiply
    104,233.18x = 143,765.85 × 65,998.96
  4. Step 4: Simplify right side
    104,233.18x = 9,488,396,583.52
  5. Step 5: Solve for x
    x = 9,488,396,583.52/104,233.18
  6. Step 6: Final answer
    x = 91,030.48

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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.