Home / 104,105.52-143,567.28-68,326.56

Finding the Fourth Proportional to 104,105.52, 143,567.28 and 68,326.56

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Solution

The fourth proportional to 104,105.52, 143,567.28 and 68,326.56 is: 94,226.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,105.52 : 143,567.28 = 68,326.56 : x
  2. Step 2: Convert to fraction form
    104,105.52/143,567.28 = 68,326.56/x
  3. Step 3: Cross multiply
    104,105.52x = 143,567.28 × 68,326.56
  4. Step 4: Simplify right side
    104,105.52x = 9,809,458,370.96
  5. Step 5: Solve for x
    x = 9,809,458,370.96/104,105.52
  6. Step 6: Final answer
    x = 94,226.11

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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.