Home / 224,467.74-309,755.78-122,490.66

Finding the Fourth Proportional to 224,467.74, 309,755.78 and 122,490.66

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Solution

The fourth proportional to 224,467.74, 309,755.78 and 122,490.66 is: 169,031.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,467.74 : 309,755.78 = 122,490.66 : x
  2. Step 2: Convert to fraction form
    224,467.74/309,755.78 = 122,490.66/x
  3. Step 3: Cross multiply
    224,467.74x = 309,755.78 × 122,490.66
  4. Step 4: Simplify right side
    224,467.74x = 37,942,189,931.01
  5. Step 5: Solve for x
    x = 37,942,189,931.01/224,467.74
  6. Step 6: Final answer
    x = 169,031.82

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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.