Home / 104,192.92-143,738.58-61,727.32

Finding the Fourth Proportional to 104,192.92, 143,738.58 and 61,727.32

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Solution

The fourth proportional to 104,192.92, 143,738.58 and 61,727.32 is: 85,155.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,192.92 : 143,738.58 = 61,727.32 : x
  2. Step 2: Convert to fraction form
    104,192.92/143,738.58 = 61,727.32/x
  3. Step 3: Cross multiply
    104,192.92x = 143,738.58 × 61,727.32
  4. Step 4: Simplify right side
    104,192.92x = 8,872,597,324.01
  5. Step 5: Solve for x
    x = 8,872,597,324.01/104,192.92
  6. Step 6: Final answer
    x = 85,155.47

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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.