Home / 199,976.04-300,089.34-106,543.08

Finding the Fourth Proportional to 199,976.04, 300,089.34 and 106,543.08

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Solution

The fourth proportional to 199,976.04, 300,089.34 and 106,543.08 is: 159,881.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,976.04 : 300,089.34 = 106,543.08 : x
  2. Step 2: Convert to fraction form
    199,976.04/300,089.34 = 106,543.08/x
  3. Step 3: Cross multiply
    199,976.04x = 300,089.34 × 106,543.08
  4. Step 4: Simplify right side
    199,976.04x = 31,972,442,558.77
  5. Step 5: Solve for x
    x = 31,972,442,558.77/199,976.04
  6. Step 6: Final answer
    x = 159,881.37

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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.