Home / 255,350.32-352,369.50-140,606.56

Finding the Fourth Proportional to 255,350.32, 352,369.50 and 140,606.56

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Solution

The fourth proportional to 255,350.32, 352,369.50 and 140,606.56 is: 194,029.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,350.32 : 352,369.50 = 140,606.56 : x
  2. Step 2: Convert to fraction form
    255,350.32/352,369.50 = 140,606.56/x
  3. Step 3: Cross multiply
    255,350.32x = 352,369.50 × 140,606.56
  4. Step 4: Simplify right side
    255,350.32x = 49,545,463,243.92
  5. Step 5: Solve for x
    x = 49,545,463,243.92/255,350.32
  6. Step 6: Final answer
    x = 194,029.38

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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.