Home / 151,230.85-226,986.30-76,403.66

Finding the Fourth Proportional to 151,230.85, 226,986.30 and 76,403.66

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Solution

The fourth proportional to 151,230.85, 226,986.30 and 76,403.66 is: 114,676.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,230.85 : 226,986.30 = 76,403.66 : x
  2. Step 2: Convert to fraction form
    151,230.85/226,986.30 = 76,403.66/x
  3. Step 3: Cross multiply
    151,230.85x = 226,986.30 × 76,403.66
  4. Step 4: Simplify right side
    151,230.85x = 17,342,582,954.93
  5. Step 5: Solve for x
    x = 17,342,582,954.93/151,230.85
  6. Step 6: Final answer
    x = 114,676.23

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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.