Home / 104,039.25-143,558.76-63,182.12

Finding the Fourth Proportional to 104,039.25, 143,558.76 and 63,182.12

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Solution

The fourth proportional to 104,039.25, 143,558.76 and 63,182.12 is: 87,181.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,039.25 : 143,558.76 = 63,182.12 : x
  2. Step 2: Convert to fraction form
    104,039.25/143,558.76 = 63,182.12/x
  3. Step 3: Cross multiply
    104,039.25x = 143,558.76 × 63,182.12
  4. Step 4: Simplify right side
    104,039.25x = 9,070,347,160.27
  5. Step 5: Solve for x
    x = 9,070,347,160.27/104,039.25
  6. Step 6: Final answer
    x = 87,181.97

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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.