Home / 257,187.37-354,906.15-142,458.25

Finding the Fourth Proportional to 257,187.37, 354,906.15 and 142,458.25

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Solution

The fourth proportional to 257,187.37, 354,906.15 and 142,458.25 is: 196,585.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,187.37 : 354,906.15 = 142,458.25 : x
  2. Step 2: Convert to fraction form
    257,187.37/354,906.15 = 142,458.25/x
  3. Step 3: Cross multiply
    257,187.37x = 354,906.15 × 142,458.25
  4. Step 4: Simplify right side
    257,187.37x = 50,559,309,043.24
  5. Step 5: Solve for x
    x = 50,559,309,043.24/257,187.37
  6. Step 6: Final answer
    x = 196,585.51

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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.