Home / 320,317.12-442,003.80-177,054.04

Finding the Fourth Proportional to 320,317.12, 442,003.80 and 177,054.04

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Solution

The fourth proportional to 320,317.12, 442,003.80 and 177,054.04 is: 244,315.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,317.12 : 442,003.80 = 177,054.04 : x
  2. Step 2: Convert to fraction form
    320,317.12/442,003.80 = 177,054.04/x
  3. Step 3: Cross multiply
    320,317.12x = 442,003.80 × 177,054.04
  4. Step 4: Simplify right side
    320,317.12x = 78,258,558,485.35
  5. Step 5: Solve for x
    x = 78,258,558,485.35/320,317.12
  6. Step 6: Final answer
    x = 244,315.88

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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.