Home / 320,334.03-442,022.13-177,074.19

Finding the Fourth Proportional to 320,334.03, 442,022.13 and 177,074.19

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Solution

The fourth proportional to 320,334.03, 442,022.13 and 177,074.19 is: 244,340.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,334.03 : 442,022.13 = 177,074.19 : x
  2. Step 2: Convert to fraction form
    320,334.03/442,022.13 = 177,074.19/x
  3. Step 3: Cross multiply
    320,334.03x = 442,022.13 × 177,074.19
  4. Step 4: Simplify right side
    320,334.03x = 78,270,710,631.82
  5. Step 5: Solve for x
    x = 78,270,710,631.82/320,334.03
  6. Step 6: Final answer
    x = 244,340.92

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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.