Home / 224,137.02-309,301.20-122,160.48

Finding the Fourth Proportional to 224,137.02, 309,301.20 and 122,160.48

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Solution

The fourth proportional to 224,137.02, 309,301.20 and 122,160.48 is: 168,577.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,137.02 : 309,301.20 = 122,160.48 : x
  2. Step 2: Convert to fraction form
    224,137.02/309,301.20 = 122,160.48/x
  3. Step 3: Cross multiply
    224,137.02x = 309,301.20 × 122,160.48
  4. Step 4: Simplify right side
    224,137.02x = 37,784,383,056.58
  5. Step 5: Solve for x
    x = 37,784,383,056.58/224,137.02
  6. Step 6: Final answer
    x = 168,577.16

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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.