Home / 257,236.05-355,035.45-148,410.68

Finding the Fourth Proportional to 257,236.05, 355,035.45 and 148,410.68

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Solution

The fourth proportional to 257,236.05, 355,035.45 and 148,410.68 is: 204,835.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,236.05 : 355,035.45 = 148,410.68 : x
  2. Step 2: Convert to fraction form
    257,236.05/355,035.45 = 148,410.68/x
  3. Step 3: Cross multiply
    257,236.05x = 355,035.45 × 148,410.68
  4. Step 4: Simplify right side
    257,236.05x = 52,691,053,337.04
  5. Step 5: Solve for x
    x = 52,691,053,337.04/257,236.05
  6. Step 6: Final answer
    x = 204,835.41

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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.