Home / 136,286.30-204,471.33-69,773.12

Finding the Fourth Proportional to 136,286.30, 204,471.33 and 69,773.12

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Solution

The fourth proportional to 136,286.30, 204,471.33 and 69,773.12 is: 104,681.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,286.30 : 204,471.33 = 69,773.12 : x
  2. Step 2: Convert to fraction form
    136,286.30/204,471.33 = 69,773.12/x
  3. Step 3: Cross multiply
    136,286.30x = 204,471.33 × 69,773.12
  4. Step 4: Simplify right side
    136,286.30x = 14,266,602,127.41
  5. Step 5: Solve for x
    x = 14,266,602,127.41/136,286.30
  6. Step 6: Final answer
    x = 104,681.12

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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.