Home / 114,310.20-171,238.50-76,242.36

Finding the Fourth Proportional to 114,310.20, 171,238.50 and 76,242.36

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Solution

The fourth proportional to 114,310.20, 171,238.50 and 76,242.36 is: 114,212.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,310.20 : 171,238.50 = 76,242.36 : x
  2. Step 2: Convert to fraction form
    114,310.20/171,238.50 = 76,242.36/x
  3. Step 3: Cross multiply
    114,310.20x = 171,238.50 × 76,242.36
  4. Step 4: Simplify right side
    114,310.20x = 13,055,627,362.86
  5. Step 5: Solve for x
    x = 13,055,627,362.86/114,310.20
  6. Step 6: Final answer
    x = 114,212.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.