Home / 196,355.53-294,536.25-74,782.79

Finding the Fourth Proportional to 196,355.53, 294,536.25 and 74,782.79

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Solution

The fourth proportional to 196,355.53, 294,536.25 and 74,782.79 is: 112,175.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,355.53 : 294,536.25 = 74,782.79 : x
  2. Step 2: Convert to fraction form
    196,355.53/294,536.25 = 74,782.79/x
  3. Step 3: Cross multiply
    196,355.53x = 294,536.25 × 74,782.79
  4. Step 4: Simplify right side
    196,355.53x = 22,026,242,531.14
  5. Step 5: Solve for x
    x = 22,026,242,531.14/196,355.53
  6. Step 6: Final answer
    x = 112,175.31

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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.