Home / 136,296.72-204,485.58-61,439.76

Finding the Fourth Proportional to 136,296.72, 204,485.58 and 61,439.76

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Solution

The fourth proportional to 136,296.72, 204,485.58 and 61,439.76 is: 92,177.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,296.72 : 204,485.58 = 61,439.76 : x
  2. Step 2: Convert to fraction form
    136,296.72/204,485.58 = 61,439.76/x
  3. Step 3: Cross multiply
    136,296.72x = 204,485.58 × 61,439.76
  4. Step 4: Simplify right side
    136,296.72x = 12,563,544,958.66
  5. Step 5: Solve for x
    x = 12,563,544,958.66/136,296.72
  6. Step 6: Final answer
    x = 92,177.90

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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.