Home / 203,011.74-304,516.24-158,675.78

Finding the Fourth Proportional to 203,011.74, 304,516.24 and 158,675.78

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Solution

The fourth proportional to 203,011.74, 304,516.24 and 158,675.78 is: 238,012.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,011.74 : 304,516.24 = 158,675.78 : x
  2. Step 2: Convert to fraction form
    203,011.74/304,516.24 = 158,675.78/x
  3. Step 3: Cross multiply
    203,011.74x = 304,516.24 × 158,675.78
  4. Step 4: Simplify right side
    203,011.74x = 48,319,351,904.67
  5. Step 5: Solve for x
    x = 48,319,351,904.67/203,011.74
  6. Step 6: Final answer
    x = 238,012.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.