Home / 224,015.91-309,138.35-122,042.59

Finding the Fourth Proportional to 224,015.91, 309,138.35 and 122,042.59

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Solution

The fourth proportional to 224,015.91, 309,138.35 and 122,042.59 is: 168,416.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,015.91 : 309,138.35 = 122,042.59 : x
  2. Step 2: Convert to fraction form
    224,015.91/309,138.35 = 122,042.59/x
  3. Step 3: Cross multiply
    224,015.91x = 309,138.35 × 122,042.59
  4. Step 4: Simplify right side
    224,015.91x = 37,728,044,731.96
  5. Step 5: Solve for x
    x = 37,728,044,731.96/224,015.91
  6. Step 6: Final answer
    x = 168,416.81

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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.