Home / 136,531.32-204,796.50-61,677.72

Finding the Fourth Proportional to 136,531.32, 204,796.50 and 61,677.72

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Solution

The fourth proportional to 136,531.32, 204,796.50 and 61,677.72 is: 92,516.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,531.32 : 204,796.50 = 61,677.72 : x
  2. Step 2: Convert to fraction form
    136,531.32/204,796.50 = 61,677.72/x
  3. Step 3: Cross multiply
    136,531.32x = 204,796.50 × 61,677.72
  4. Step 4: Simplify right side
    136,531.32x = 12,631,381,183.98
  5. Step 5: Solve for x
    x = 12,631,381,183.98/136,531.32
  6. Step 6: Final answer
    x = 92,516.36

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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.