Home / 257,183.34-354,900.66-142,454.24

Finding the Fourth Proportional to 257,183.34, 354,900.66 and 142,454.24

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Solution

The fourth proportional to 257,183.34, 354,900.66 and 142,454.24 is: 196,580.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,183.34 : 354,900.66 = 142,454.24 : x
  2. Step 2: Convert to fraction form
    257,183.34/354,900.66 = 142,454.24/x
  3. Step 3: Cross multiply
    257,183.34x = 354,900.66 × 142,454.24
  4. Step 4: Simplify right side
    257,183.34x = 50,557,102,021.30
  5. Step 5: Solve for x
    x = 50,557,102,021.30/257,183.34
  6. Step 6: Final answer
    x = 196,580.00

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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.