Home / 149,678.56-206,556.52-111,470.96

Finding the Fourth Proportional to 149,678.56, 206,556.52 and 111,470.96

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Solution

The fourth proportional to 149,678.56, 206,556.52 and 111,470.96 is: 153,830.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,678.56 : 206,556.52 = 111,470.96 : x
  2. Step 2: Convert to fraction form
    149,678.56/206,556.52 = 111,470.96/x
  3. Step 3: Cross multiply
    149,678.56x = 206,556.52 × 111,470.96
  4. Step 4: Simplify right side
    149,678.56x = 23,025,053,578.66
  5. Step 5: Solve for x
    x = 23,025,053,578.66/149,678.56
  6. Step 6: Final answer
    x = 153,830.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.