Home / 136,516.38-204,774.56-38,020.38

Finding the Fourth Proportional to 136,516.38, 204,774.56 and 38,020.38

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Solution

The fourth proportional to 136,516.38, 204,774.56 and 38,020.38 is: 57,030.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,516.38 : 204,774.56 = 38,020.38 : x
  2. Step 2: Convert to fraction form
    136,516.38/204,774.56 = 38,020.38/x
  3. Step 3: Cross multiply
    136,516.38x = 204,774.56 × 38,020.38
  4. Step 4: Simplify right side
    136,516.38x = 7,785,606,585.53
  5. Step 5: Solve for x
    x = 7,785,606,585.53/136,516.38
  6. Step 6: Final answer
    x = 57,030.57

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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.