Home / 104,107.52-143,570.04-68,328.56

Finding the Fourth Proportional to 104,107.52, 143,570.04 and 68,328.56

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Solution

The fourth proportional to 104,107.52, 143,570.04 and 68,328.56 is: 94,228.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,107.52 : 143,570.04 = 68,328.56 : x
  2. Step 2: Convert to fraction form
    104,107.52/143,570.04 = 68,328.56/x
  3. Step 3: Cross multiply
    104,107.52x = 143,570.04 × 68,328.56
  4. Step 4: Simplify right side
    104,107.52x = 9,809,934,092.34
  5. Step 5: Solve for x
    x = 9,809,934,092.34/104,107.52
  6. Step 6: Final answer
    x = 94,228.87

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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.