Home / 320,356.06-442,100.58-177,125.32

Finding the Fourth Proportional to 320,356.06, 442,100.58 and 177,125.32

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Solution

The fourth proportional to 320,356.06, 442,100.58 and 177,125.32 is: 244,438.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,356.06 : 442,100.58 = 177,125.32 : x
  2. Step 2: Convert to fraction form
    320,356.06/442,100.58 = 177,125.32/x
  3. Step 3: Cross multiply
    320,356.06x = 442,100.58 × 177,125.32
  4. Step 4: Simplify right side
    320,356.06x = 78,307,206,704.69
  5. Step 5: Solve for x
    x = 78,307,206,704.69/320,356.06
  6. Step 6: Final answer
    x = 244,438.04

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1.5x scale

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.