Home / 296,721.52-445,138.06-119,242.60

Finding the Fourth Proportional to 296,721.52, 445,138.06 and 119,242.60

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Solution

The fourth proportional to 296,721.52, 445,138.06 and 119,242.60 is: 178,886.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,721.52 : 445,138.06 = 119,242.60 : x
  2. Step 2: Convert to fraction form
    296,721.52/445,138.06 = 119,242.60/x
  3. Step 3: Cross multiply
    296,721.52x = 445,138.06 × 119,242.60
  4. Step 4: Simplify right side
    296,721.52x = 53,079,419,633.36
  5. Step 5: Solve for x
    x = 53,079,419,633.36/296,721.52
  6. Step 6: Final answer
    x = 178,886.32

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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.