Home / 320,794.08-442,690.44-177,551.04

Finding the Fourth Proportional to 320,794.08, 442,690.44 and 177,551.04

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Solution

The fourth proportional to 320,794.08, 442,690.44 and 177,551.04 is: 245,017.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,794.08 : 442,690.44 = 177,551.04 : x
  2. Step 2: Convert to fraction form
    320,794.08/442,690.44 = 177,551.04/x
  3. Step 3: Cross multiply
    320,794.08x = 442,690.44 × 177,551.04
  4. Step 4: Simplify right side
    320,794.08x = 78,600,148,020.06
  5. Step 5: Solve for x
    x = 78,600,148,020.06/320,794.08
  6. Step 6: Final answer
    x = 245,017.45

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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.