Home / 116,511.27-160,734.96-74,047.02

Finding the Fourth Proportional to 116,511.27, 160,734.96 and 74,047.02

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Solution

The fourth proportional to 116,511.27, 160,734.96 and 74,047.02 is: 102,152.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,511.27 : 160,734.96 = 74,047.02 : x
  2. Step 2: Convert to fraction form
    116,511.27/160,734.96 = 74,047.02/x
  3. Step 3: Cross multiply
    116,511.27x = 160,734.96 × 74,047.02
  4. Step 4: Simplify right side
    116,511.27x = 11,901,944,797.82
  5. Step 5: Solve for x
    x = 11,901,944,797.82/116,511.27
  6. Step 6: Final answer
    x = 102,152.73

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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.