Home / 257,410.04-355,211.34-149,997.56

Finding the Fourth Proportional to 257,410.04, 355,211.34 and 149,997.56

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Solution

The fourth proportional to 257,410.04, 355,211.34 and 149,997.56 is: 206,988.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,410.04 : 355,211.34 = 149,997.56 : x
  2. Step 2: Convert to fraction form
    257,410.04/355,211.34 = 149,997.56/x
  3. Step 3: Cross multiply
    257,410.04x = 355,211.34 × 149,997.56
  4. Step 4: Simplify right side
    257,410.04x = 53,280,834,284.33
  5. Step 5: Solve for x
    x = 53,280,834,284.33/257,410.04
  6. Step 6: Final answer
    x = 206,988.17

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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.