Home / 351,233.50-484,589.09-215,125.56

Finding the Fourth Proportional to 351,233.50, 484,589.09 and 215,125.56

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Solution

The fourth proportional to 351,233.50, 484,589.09 and 215,125.56 is: 296,803.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,233.50 : 484,589.09 = 215,125.56 : x
  2. Step 2: Convert to fraction form
    351,233.50/484,589.09 = 215,125.56/x
  3. Step 3: Cross multiply
    351,233.50x = 484,589.09 × 215,125.56
  4. Step 4: Simplify right side
    351,233.50x = 104,247,499,356.14
  5. Step 5: Solve for x
    x = 104,247,499,356.14/351,233.50
  6. Step 6: Final answer
    x = 296,803.98

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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.