Home / 134,174.88-185,157.42-76,812.30

Finding the Fourth Proportional to 134,174.88, 185,157.42 and 76,812.30

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Solution

The fourth proportional to 134,174.88, 185,157.42 and 76,812.30 is: 105,998.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,174.88 : 185,157.42 = 76,812.30 : x
  2. Step 2: Convert to fraction form
    134,174.88/185,157.42 = 76,812.30/x
  3. Step 3: Cross multiply
    134,174.88x = 185,157.42 × 76,812.30
  4. Step 4: Simplify right side
    134,174.88x = 14,222,367,292.27
  5. Step 5: Solve for x
    x = 14,222,367,292.27/134,174.88
  6. Step 6: Final answer
    x = 105,998.73

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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.