Home / 135,462.15-187,029.09-84,552.42

Finding the Fourth Proportional to 135,462.15, 187,029.09 and 84,552.42

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Solution

The fourth proportional to 135,462.15, 187,029.09 and 84,552.42 is: 116,739.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,462.15 : 187,029.09 = 84,552.42 : x
  2. Step 2: Convert to fraction form
    135,462.15/187,029.09 = 84,552.42/x
  3. Step 3: Cross multiply
    135,462.15x = 187,029.09 × 84,552.42
  4. Step 4: Simplify right side
    135,462.15x = 15,813,762,169.90
  5. Step 5: Solve for x
    x = 15,813,762,169.90/135,462.15
  6. Step 6: Final answer
    x = 116,739.34

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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.