Home / 104,192.64-156,110.88-74,458.56

Finding the Fourth Proportional to 104,192.64, 156,110.88 and 74,458.56

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Solution

The fourth proportional to 104,192.64, 156,110.88 and 74,458.56 is: 111,560.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,192.64 : 156,110.88 = 74,458.56 : x
  2. Step 2: Convert to fraction form
    104,192.64/156,110.88 = 74,458.56/x
  3. Step 3: Cross multiply
    104,192.64x = 156,110.88 × 74,458.56
  4. Step 4: Simplify right side
    104,192.64x = 11,623,791,325.13
  5. Step 5: Solve for x
    x = 11,623,791,325.13/104,192.64
  6. Step 6: Final answer
    x = 111,560.58

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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.