Home / 328,646.32-453,531.92-177,743.32

Finding the Fourth Proportional to 328,646.32, 453,531.92 and 177,743.32

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Solution

The fourth proportional to 328,646.32, 453,531.92 and 177,743.32 is: 245,285.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,646.32 : 453,531.92 = 177,743.32 : x
  2. Step 2: Convert to fraction form
    328,646.32/453,531.92 = 177,743.32/x
  3. Step 3: Cross multiply
    328,646.32x = 453,531.92 × 177,743.32
  4. Step 4: Simplify right side
    328,646.32x = 80,612,269,186.77
  5. Step 5: Solve for x
    x = 80,612,269,186.77/328,646.32
  6. Step 6: Final answer
    x = 245,285.78

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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.