Home / 296,906.11-445,360.07-72,266.56

Finding the Fourth Proportional to 296,906.11, 445,360.07 and 72,266.56

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Solution

The fourth proportional to 296,906.11, 445,360.07 and 72,266.56 is: 108,400.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,906.11 : 445,360.07 = 72,266.56 : x
  2. Step 2: Convert to fraction form
    296,906.11/445,360.07 = 72,266.56/x
  3. Step 3: Cross multiply
    296,906.11x = 445,360.07 × 72,266.56
  4. Step 4: Simplify right side
    296,906.11x = 32,184,640,220.26
  5. Step 5: Solve for x
    x = 32,184,640,220.26/296,906.11
  6. Step 6: Final answer
    x = 108,400.06

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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.