Home / 104,517.36-144,135.72-80,606.16

Finding the Fourth Proportional to 104,517.36, 144,135.72 and 80,606.16

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Solution

The fourth proportional to 104,517.36, 144,135.72 and 80,606.16 is: 111,160.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,517.36 : 144,135.72 = 80,606.16 : x
  2. Step 2: Convert to fraction form
    104,517.36/144,135.72 = 80,606.16/x
  3. Step 3: Cross multiply
    104,517.36x = 144,135.72 × 80,606.16
  4. Step 4: Simplify right side
    104,517.36x = 11,618,226,908.04
  5. Step 5: Solve for x
    x = 11,618,226,908.04/104,517.36
  6. Step 6: Final answer
    x = 111,160.74

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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.