Home / 203,644.46-281,015.85-112,994.68

Finding the Fourth Proportional to 203,644.46, 281,015.85 and 112,994.68

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Solution

The fourth proportional to 203,644.46, 281,015.85 and 112,994.68 is: 155,925.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,644.46 : 281,015.85 = 112,994.68 : x
  2. Step 2: Convert to fraction form
    203,644.46/281,015.85 = 112,994.68/x
  3. Step 3: Cross multiply
    203,644.46x = 281,015.85 × 112,994.68
  4. Step 4: Simplify right side
    203,644.46x = 31,753,296,045.68
  5. Step 5: Solve for x
    x = 31,753,296,045.68/203,644.46
  6. Step 6: Final answer
    x = 155,925.17

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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.