Home / 208,198.10-312,088.83-95,959.46

Finding the Fourth Proportional to 208,198.10, 312,088.83 and 95,959.46

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Solution

The fourth proportional to 208,198.10, 312,088.83 and 95,959.46 is: 143,843.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,198.10 : 312,088.83 = 95,959.46 : x
  2. Step 2: Convert to fraction form
    208,198.10/312,088.83 = 95,959.46/x
  3. Step 3: Cross multiply
    208,198.10x = 312,088.83 × 95,959.46
  4. Step 4: Simplify right side
    208,198.10x = 29,947,875,598.83
  5. Step 5: Solve for x
    x = 29,947,875,598.83/208,198.10
  6. Step 6: Final answer
    x = 143,843.17

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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.