Home / 203,811.55-304,344.86-166,445.75

Finding the Fourth Proportional to 203,811.55, 304,344.86 and 166,445.75

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Solution

The fourth proportional to 203,811.55, 304,344.86 and 166,445.75 is: 248,547.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,811.55 : 304,344.86 = 166,445.75 : x
  2. Step 2: Convert to fraction form
    203,811.55/304,344.86 = 166,445.75/x
  3. Step 3: Cross multiply
    203,811.55x = 304,344.86 × 166,445.75
  4. Step 4: Simplify right side
    203,811.55x = 50,656,908,409.98
  5. Step 5: Solve for x
    x = 50,656,908,409.98/203,811.55
  6. Step 6: Final answer
    x = 248,547.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.