Home / 104,170.18-143,660.36-68,346.58

Finding the Fourth Proportional to 104,170.18, 143,660.36 and 68,346.58

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Solution

The fourth proportional to 104,170.18, 143,660.36 and 68,346.58 is: 94,256.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,170.18 : 143,660.36 = 68,346.58 : x
  2. Step 2: Convert to fraction form
    104,170.18/143,660.36 = 68,346.58/x
  3. Step 3: Cross multiply
    104,170.18x = 143,660.36 × 68,346.58
  4. Step 4: Simplify right side
    104,170.18x = 9,818,694,287.57
  5. Step 5: Solve for x
    x = 9,818,694,287.57/104,170.18
  6. Step 6: Final answer
    x = 94,256.29

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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.