Home / 224,629.14-309,985.83-122,654.28

Finding the Fourth Proportional to 224,629.14, 309,985.83 and 122,654.28

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Solution

The fourth proportional to 224,629.14, 309,985.83 and 122,654.28 is: 169,261.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,629.14 : 309,985.83 = 122,654.28 : x
  2. Step 2: Convert to fraction form
    224,629.14/309,985.83 = 122,654.28/x
  3. Step 3: Cross multiply
    224,629.14x = 309,985.83 × 122,654.28
  4. Step 4: Simplify right side
    224,629.14x = 38,021,088,788.85
  5. Step 5: Solve for x
    x = 38,021,088,788.85/224,629.14
  6. Step 6: Final answer
    x = 169,261.61

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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.