Home / 104,153.78-143,732.66-58,832.28

Finding the Fourth Proportional to 104,153.78, 143,732.66 and 58,832.28

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Solution

The fourth proportional to 104,153.78, 143,732.66 and 58,832.28 is: 81,188.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,153.78 : 143,732.66 = 58,832.28 : x
  2. Step 2: Convert to fraction form
    104,153.78/143,732.66 = 58,832.28/x
  3. Step 3: Cross multiply
    104,153.78x = 143,732.66 × 58,832.28
  4. Step 4: Simplify right side
    104,153.78x = 8,456,119,804.10
  5. Step 5: Solve for x
    x = 8,456,119,804.10/104,153.78
  6. Step 6: Final answer
    x = 81,188.79

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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.