Home / 329,848.38-455,176.80-186,610.86

Finding the Fourth Proportional to 329,848.38, 455,176.80 and 186,610.86

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Solution

The fourth proportional to 329,848.38, 455,176.80 and 186,610.86 is: 257,515.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,848.38 : 455,176.80 = 186,610.86 : x
  2. Step 2: Convert to fraction form
    329,848.38/455,176.80 = 186,610.86/x
  3. Step 3: Cross multiply
    329,848.38x = 455,176.80 × 186,610.86
  4. Step 4: Simplify right side
    329,848.38x = 84,940,934,100.05
  5. Step 5: Solve for x
    x = 84,940,934,100.05/329,848.38
  6. Step 6: Final answer
    x = 257,515.09

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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.