Home / 226,440.96-339,640.47-76,664.13

Finding the Fourth Proportional to 226,440.96, 339,640.47 and 76,664.13

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Solution

The fourth proportional to 226,440.96, 339,640.47 and 76,664.13 is: 114,989.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,440.96 : 339,640.47 = 76,664.13 : x
  2. Step 2: Convert to fraction form
    226,440.96/339,640.47 = 76,664.13/x
  3. Step 3: Cross multiply
    226,440.96x = 339,640.47 × 76,664.13
  4. Step 4: Simplify right side
    226,440.96x = 26,038,241,145.34
  5. Step 5: Solve for x
    x = 26,038,241,145.34/226,440.96
  6. Step 6: Final answer
    x = 114,989.10

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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.