Home / 257,244.50-354,997.53-144,067.28

Finding the Fourth Proportional to 257,244.50, 354,997.53 and 144,067.28

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Solution

The fourth proportional to 257,244.50, 354,997.53 and 144,067.28 is: 198,812.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,244.50 : 354,997.53 = 144,067.28 : x
  2. Step 2: Convert to fraction form
    257,244.50/354,997.53 = 144,067.28/x
  3. Step 3: Cross multiply
    257,244.50x = 354,997.53 × 144,067.28
  4. Step 4: Simplify right side
    257,244.50x = 51,143,528,553.82
  5. Step 5: Solve for x
    x = 51,143,528,553.82/257,244.50
  6. Step 6: Final answer
    x = 198,812.91

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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.