Home / 104,083.92-143,541.36-68,261.04

Finding the Fourth Proportional to 104,083.92, 143,541.36 and 68,261.04

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Solution

The fourth proportional to 104,083.92, 143,541.36 and 68,261.04 is: 94,138.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,083.92 : 143,541.36 = 68,261.04 : x
  2. Step 2: Convert to fraction form
    104,083.92/143,541.36 = 68,261.04/x
  3. Step 3: Cross multiply
    104,083.92x = 143,541.36 × 68,261.04
  4. Step 4: Simplify right side
    104,083.92x = 9,798,282,516.61
  5. Step 5: Solve for x
    x = 9,798,282,516.61/104,083.92
  6. Step 6: Final answer
    x = 94,138.29

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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.