Home / 104,979.10-157,468.65-100,896.70

Finding the Fourth Proportional to 104,979.10, 157,468.65 and 100,896.70

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Solution

The fourth proportional to 104,979.10, 157,468.65 and 100,896.70 is: 151,345.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,979.10 : 157,468.65 = 100,896.70 : x
  2. Step 2: Convert to fraction form
    104,979.10/157,468.65 = 100,896.70/x
  3. Step 3: Cross multiply
    104,979.10x = 157,468.65 × 100,896.70
  4. Step 4: Simplify right side
    104,979.10x = 15,888,067,138.46
  5. Step 5: Solve for x
    x = 15,888,067,138.46/104,979.10
  6. Step 6: Final answer
    x = 151,345.05

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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.