Home / 226,017.72-339,121.69-140,699.99

Finding the Fourth Proportional to 226,017.72, 339,121.69 and 140,699.99

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Solution

The fourth proportional to 226,017.72, 339,121.69 and 140,699.99 is: 211,109.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,017.72 : 339,121.69 = 140,699.99 : x
  2. Step 2: Convert to fraction form
    226,017.72/339,121.69 = 140,699.99/x
  3. Step 3: Cross multiply
    226,017.72x = 339,121.69 × 140,699.99
  4. Step 4: Simplify right side
    226,017.72x = 47,714,418,887.84
  5. Step 5: Solve for x
    x = 47,714,418,887.84/226,017.72
  6. Step 6: Final answer
    x = 211,109.19

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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.