Home / 320,732.64-442,604.40-177,484.08

Finding the Fourth Proportional to 320,732.64, 442,604.40 and 177,484.08

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Solution

The fourth proportional to 320,732.64, 442,604.40 and 177,484.08 is: 244,924.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,732.64 : 442,604.40 = 177,484.08 : x
  2. Step 2: Convert to fraction form
    320,732.64/442,604.40 = 177,484.08/x
  3. Step 3: Cross multiply
    320,732.64x = 442,604.40 × 177,484.08
  4. Step 4: Simplify right side
    320,732.64x = 78,555,234,737.95
  5. Step 5: Solve for x
    x = 78,555,234,737.95/320,732.64
  6. Step 6: Final answer
    x = 244,924.35

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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.