Home / 257,264.06-355,099.41-166,616.55

Finding the Fourth Proportional to 257,264.06, 355,099.41 and 166,616.55

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Solution

The fourth proportional to 257,264.06, 355,099.41 and 166,616.55 is: 229,979.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,264.06 : 355,099.41 = 166,616.55 : x
  2. Step 2: Convert to fraction form
    257,264.06/355,099.41 = 166,616.55/x
  3. Step 3: Cross multiply
    257,264.06x = 355,099.41 × 166,616.55
  4. Step 4: Simplify right side
    257,264.06x = 59,165,438,601.24
  5. Step 5: Solve for x
    x = 59,165,438,601.24/257,264.06
  6. Step 6: Final answer
    x = 229,979.42

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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.