Home / 104,507.36-144,121.92-80,596.16

Finding the Fourth Proportional to 104,507.36, 144,121.92 and 80,596.16

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Solution

The fourth proportional to 104,507.36, 144,121.92 and 80,596.16 is: 111,146.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,507.36 : 144,121.92 = 80,596.16 : x
  2. Step 2: Convert to fraction form
    104,507.36/144,121.92 = 80,596.16/x
  3. Step 3: Cross multiply
    104,507.36x = 144,121.92 × 80,596.16
  4. Step 4: Simplify right side
    104,507.36x = 11,615,673,323.83
  5. Step 5: Solve for x
    x = 11,615,673,323.83/104,507.36
  6. Step 6: Final answer
    x = 111,146.94

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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.