Home / 136,123.94-204,227.45-69,610.79

Finding the Fourth Proportional to 136,123.94, 204,227.45 and 69,610.79

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Solution

The fourth proportional to 136,123.94, 204,227.45 and 69,610.79 is: 104,437.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,123.94 : 204,227.45 = 69,610.79 : x
  2. Step 2: Convert to fraction form
    136,123.94/204,227.45 = 69,610.79/x
  3. Step 3: Cross multiply
    136,123.94x = 204,227.45 × 69,610.79
  4. Step 4: Simplify right side
    136,123.94x = 14,216,434,134.19
  5. Step 5: Solve for x
    x = 14,216,434,134.19/136,123.94
  6. Step 6: Final answer
    x = 104,437.43

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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.