Home / 154,368.22-231,549.80-49,185.76

Finding the Fourth Proportional to 154,368.22, 231,549.80 and 49,185.76

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Solution

The fourth proportional to 154,368.22, 231,549.80 and 49,185.76 is: 73,777.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,368.22 : 231,549.80 = 49,185.76 : x
  2. Step 2: Convert to fraction form
    154,368.22/231,549.80 = 49,185.76/x
  3. Step 3: Cross multiply
    154,368.22x = 231,549.80 × 49,185.76
  4. Step 4: Simplify right side
    154,368.22x = 11,388,952,890.85
  5. Step 5: Solve for x
    x = 11,388,952,890.85/154,368.22
  6. Step 6: Final answer
    x = 73,777.83

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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.