Home / 320,707.08-442,569.15-177,467.04

Finding the Fourth Proportional to 320,707.08, 442,569.15 and 177,467.04

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Solution

The fourth proportional to 320,707.08, 442,569.15 and 177,467.04 is: 244,900.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,707.08 : 442,569.15 = 177,467.04 : x
  2. Step 2: Convert to fraction form
    320,707.08/442,569.15 = 177,467.04/x
  3. Step 3: Cross multiply
    320,707.08x = 442,569.15 × 177,467.04
  4. Step 4: Simplify right side
    320,707.08x = 78,541,437,045.82
  5. Step 5: Solve for x
    x = 78,541,437,045.82/320,707.08
  6. Step 6: Final answer
    x = 244,900.85

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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.