Home / 257,198.79-354,930.49-142,477.08

Finding the Fourth Proportional to 257,198.79, 354,930.49 and 142,477.08

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Solution

The fourth proportional to 257,198.79, 354,930.49 and 142,477.08 is: 196,616.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,198.79 : 354,930.49 = 142,477.08 : x
  2. Step 2: Convert to fraction form
    257,198.79/354,930.49 = 142,477.08/x
  3. Step 3: Cross multiply
    257,198.79x = 354,930.49 × 142,477.08
  4. Step 4: Simplify right side
    257,198.79x = 50,569,458,665.28
  5. Step 5: Solve for x
    x = 50,569,458,665.28/257,198.79
  6. Step 6: Final answer
    x = 196,616.24

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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.