Home / 348,811.53-481,230.75-219,715.35

Finding the Fourth Proportional to 348,811.53, 481,230.75 and 219,715.35

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Solution

The fourth proportional to 348,811.53, 481,230.75 and 219,715.35 is: 303,125.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,811.53 : 481,230.75 = 219,715.35 : x
  2. Step 2: Convert to fraction form
    348,811.53/481,230.75 = 219,715.35/x
  3. Step 3: Cross multiply
    348,811.53x = 481,230.75 × 219,715.35
  4. Step 4: Simplify right side
    348,811.53x = 105,733,782,667.01
  5. Step 5: Solve for x
    x = 105,733,782,667.01/348,811.53
  6. Step 6: Final answer
    x = 303,125.82

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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.