Home / 224,005.64-309,137.46-127,207.54

Finding the Fourth Proportional to 224,005.64, 309,137.46 and 127,207.54

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Solution

The fourth proportional to 224,005.64, 309,137.46 and 127,207.54 is: 175,551.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,005.64 : 309,137.46 = 127,207.54 : x
  2. Step 2: Convert to fraction form
    224,005.64/309,137.46 = 127,207.54/x
  3. Step 3: Cross multiply
    224,005.64x = 309,137.46 × 127,207.54
  4. Step 4: Simplify right side
    224,005.64x = 39,324,615,808.45
  5. Step 5: Solve for x
    x = 39,324,615,808.45/224,005.64
  6. Step 6: Final answer
    x = 175,551.90

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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.