Home / 328,385.91-453,163.50-185,144.70

Finding the Fourth Proportional to 328,385.91, 453,163.50 and 185,144.70

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Solution

The fourth proportional to 328,385.91, 453,163.50 and 185,144.70 is: 255,494.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,385.91 : 453,163.50 = 185,144.70 : x
  2. Step 2: Convert to fraction form
    328,385.91/453,163.50 = 185,144.70/x
  3. Step 3: Cross multiply
    328,385.91x = 453,163.50 × 185,144.70
  4. Step 4: Simplify right side
    328,385.91x = 83,900,820,258.45
  5. Step 5: Solve for x
    x = 83,900,820,258.45/328,385.91
  6. Step 6: Final answer
    x = 255,494.58

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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.