Home / 188,739.24-260,461.02-108,171.52

Finding the Fourth Proportional to 188,739.24, 260,461.02 and 108,171.52

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Solution

The fourth proportional to 188,739.24, 260,461.02 and 108,171.52 is: 149,277.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,739.24 : 260,461.02 = 108,171.52 : x
  2. Step 2: Convert to fraction form
    188,739.24/260,461.02 = 108,171.52/x
  3. Step 3: Cross multiply
    188,739.24x = 260,461.02 × 108,171.52
  4. Step 4: Simplify right side
    188,739.24x = 28,174,464,434.15
  5. Step 5: Solve for x
    x = 28,174,464,434.15/188,739.24
  6. Step 6: Final answer
    x = 149,277.20

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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.