Home / 224,489.10-309,785.30-122,511.98

Finding the Fourth Proportional to 224,489.10, 309,785.30 and 122,511.98

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Solution

The fourth proportional to 224,489.10, 309,785.30 and 122,511.98 is: 169,061.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,489.10 : 309,785.30 = 122,511.98 : x
  2. Step 2: Convert to fraction form
    224,489.10/309,785.30 = 122,511.98/x
  3. Step 3: Cross multiply
    224,489.10x = 309,785.30 × 122,511.98
  4. Step 4: Simplify right side
    224,489.10x = 37,952,410,477.89
  5. Step 5: Solve for x
    x = 37,952,410,477.89/224,489.10
  6. Step 6: Final answer
    x = 169,061.26

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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.