Home / 328,403.88-453,190.95-185,161.14

Finding the Fourth Proportional to 328,403.88, 453,190.95 and 185,161.14

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Solution

The fourth proportional to 328,403.88, 453,190.95 and 185,161.14 is: 255,518.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,403.88 : 453,190.95 = 185,161.14 : x
  2. Step 2: Convert to fraction form
    328,403.88/453,190.95 = 185,161.14/x
  3. Step 3: Cross multiply
    328,403.88x = 453,190.95 × 185,161.14
  4. Step 4: Simplify right side
    328,403.88x = 83,913,352,939.68
  5. Step 5: Solve for x
    x = 83,913,352,939.68/328,403.88
  6. Step 6: Final answer
    x = 255,518.76

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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.