Home / 194,640.69-291,870.32-101,121.33

Finding the Fourth Proportional to 194,640.69, 291,870.32 and 101,121.33

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Solution

The fourth proportional to 194,640.69, 291,870.32 and 101,121.33 is: 151,634.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,640.69 : 291,870.32 = 101,121.33 : x
  2. Step 2: Convert to fraction form
    194,640.69/291,870.32 = 101,121.33/x
  3. Step 3: Cross multiply
    194,640.69x = 291,870.32 × 101,121.33
  4. Step 4: Simplify right side
    194,640.69x = 29,514,314,440.32
  5. Step 5: Solve for x
    x = 29,514,314,440.32/194,640.69
  6. Step 6: Final answer
    x = 151,634.86

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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.