Home / 223,414.20-308,310.84-127,920.60

Finding the Fourth Proportional to 223,414.20, 308,310.84 and 127,920.60

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Solution

The fourth proportional to 223,414.20, 308,310.84 and 127,920.60 is: 176,530.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,414.20 : 308,310.84 = 127,920.60 : x
  2. Step 2: Convert to fraction form
    223,414.20/308,310.84 = 127,920.60/x
  3. Step 3: Cross multiply
    223,414.20x = 308,310.84 × 127,920.60
  4. Step 4: Simplify right side
    223,414.20x = 39,439,307,639.30
  5. Step 5: Solve for x
    x = 39,439,307,639.30/223,414.20
  6. Step 6: Final answer
    x = 176,530.00

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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.