Home / 227,979.20-314,601.52-125,999.40

Finding the Fourth Proportional to 227,979.20, 314,601.52 and 125,999.40

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Solution

The fourth proportional to 227,979.20, 314,601.52 and 125,999.40 is: 173,873.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,979.20 : 314,601.52 = 125,999.40 : x
  2. Step 2: Convert to fraction form
    227,979.20/314,601.52 = 125,999.40/x
  3. Step 3: Cross multiply
    227,979.20x = 314,601.52 × 125,999.40
  4. Step 4: Simplify right side
    227,979.20x = 39,639,602,759.09
  5. Step 5: Solve for x
    x = 39,639,602,759.09/227,979.20
  6. Step 6: Final answer
    x = 173,873.77

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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.