Home / 328,629.14-453,529.20-185,336.90

Finding the Fourth Proportional to 328,629.14, 453,529.20 and 185,336.90

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Solution

The fourth proportional to 328,629.14, 453,529.20 and 185,336.90 is: 255,776.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,629.14 : 453,529.20 = 185,336.90 : x
  2. Step 2: Convert to fraction form
    328,629.14/453,529.20 = 185,336.90/x
  3. Step 3: Cross multiply
    328,629.14x = 453,529.20 × 185,336.90
  4. Step 4: Simplify right side
    328,629.14x = 84,055,695,987.48
  5. Step 5: Solve for x
    x = 84,055,695,987.48/328,629.14
  6. Step 6: Final answer
    x = 255,776.76

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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.