Home / 199,814.25-299,526.56-79,835.43

Finding the Fourth Proportional to 199,814.25, 299,526.56 and 79,835.43

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Solution

The fourth proportional to 199,814.25, 299,526.56 and 79,835.43 is: 119,675.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,814.25 : 299,526.56 = 79,835.43 : x
  2. Step 2: Convert to fraction form
    199,814.25/299,526.56 = 79,835.43/x
  3. Step 3: Cross multiply
    199,814.25x = 299,526.56 × 79,835.43
  4. Step 4: Simplify right side
    199,814.25x = 23,912,831,714.02
  5. Step 5: Solve for x
    x = 23,912,831,714.02/199,814.25
  6. Step 6: Final answer
    x = 119,675.31

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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.