Home / 224,279.72-309,513.49-122,310.75

Finding the Fourth Proportional to 224,279.72, 309,513.49 and 122,310.75

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Solution

The fourth proportional to 224,279.72, 309,513.49 and 122,310.75 is: 168,792.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,279.72 : 309,513.49 = 122,310.75 : x
  2. Step 2: Convert to fraction form
    224,279.72/309,513.49 = 122,310.75/x
  3. Step 3: Cross multiply
    224,279.72x = 309,513.49 × 122,310.75
  4. Step 4: Simplify right side
    224,279.72x = 37,856,826,210.90
  5. Step 5: Solve for x
    x = 37,856,826,210.90/224,279.72
  6. Step 6: Final answer
    x = 168,792.91

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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.