Home / 110,015.85-151,604.13-78,095.37

Finding the Fourth Proportional to 110,015.85, 151,604.13 and 78,095.37

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Solution

The fourth proportional to 110,015.85, 151,604.13 and 78,095.37 is: 107,617.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,015.85 : 151,604.13 = 78,095.37 : x
  2. Step 2: Convert to fraction form
    110,015.85/151,604.13 = 78,095.37/x
  3. Step 3: Cross multiply
    110,015.85x = 151,604.13 × 78,095.37
  4. Step 4: Simplify right side
    110,015.85x = 11,839,580,625.88
  5. Step 5: Solve for x
    x = 11,839,580,625.88/110,015.85
  6. Step 6: Final answer
    x = 107,617.04

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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.