Home / 203,685.96-281,086.80-113,043.24

Finding the Fourth Proportional to 203,685.96, 281,086.80 and 113,043.24

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Solution

The fourth proportional to 203,685.96, 281,086.80 and 113,043.24 is: 155,999.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,685.96 : 281,086.80 = 113,043.24 : x
  2. Step 2: Convert to fraction form
    203,685.96/281,086.80 = 113,043.24/x
  3. Step 3: Cross multiply
    203,685.96x = 281,086.80 × 113,043.24
  4. Step 4: Simplify right side
    203,685.96x = 31,774,962,593.23
  5. Step 5: Solve for x
    x = 31,774,962,593.23/203,685.96
  6. Step 6: Final answer
    x = 155,999.77

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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.