Home / 199,808.48-299,672.04-73,405.28

Finding the Fourth Proportional to 199,808.48, 299,672.04 and 73,405.28

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Solution

The fourth proportional to 199,808.48, 299,672.04 and 73,405.28 is: 110,092.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,808.48 : 299,672.04 = 73,405.28 : x
  2. Step 2: Convert to fraction form
    199,808.48/299,672.04 = 73,405.28/x
  3. Step 3: Cross multiply
    199,808.48x = 299,672.04 × 73,405.28
  4. Step 4: Simplify right side
    199,808.48x = 21,997,510,004.37
  5. Step 5: Solve for x
    x = 21,997,510,004.37/199,808.48
  6. Step 6: Final answer
    x = 110,092.98

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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.