Home / 104,400.36-156,620.10-34,283.64

Finding the Fourth Proportional to 104,400.36, 156,620.10 and 34,283.64

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Solution

The fourth proportional to 104,400.36, 156,620.10 and 34,283.64 is: 51,431.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,400.36 : 156,620.10 = 34,283.64 : x
  2. Step 2: Convert to fraction form
    104,400.36/156,620.10 = 34,283.64/x
  3. Step 3: Cross multiply
    104,400.36x = 156,620.10 × 34,283.64
  4. Step 4: Simplify right side
    104,400.36x = 5,369,507,125.16
  5. Step 5: Solve for x
    x = 5,369,507,125.16/104,400.36
  6. Step 6: Final answer
    x = 51,431.88

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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.