Home / 219,931.85-303,497.68-124,440.61

Finding the Fourth Proportional to 219,931.85, 303,497.68 and 124,440.61

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Solution

The fourth proportional to 219,931.85, 303,497.68 and 124,440.61 is: 171,723.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,931.85 : 303,497.68 = 124,440.61 : x
  2. Step 2: Convert to fraction form
    219,931.85/303,497.68 = 124,440.61/x
  3. Step 3: Cross multiply
    219,931.85x = 303,497.68 × 124,440.61
  4. Step 4: Simplify right side
    219,931.85x = 37,767,436,432.78
  5. Step 5: Solve for x
    x = 37,767,436,432.78/219,931.85
  6. Step 6: Final answer
    x = 171,723.36

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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.