Home / 199,337.38-299,056.58-66,218.33

Finding the Fourth Proportional to 199,337.38, 299,056.58 and 66,218.33

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Solution

The fourth proportional to 199,337.38, 299,056.58 and 66,218.33 is: 99,344.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,337.38 : 299,056.58 = 66,218.33 : x
  2. Step 2: Convert to fraction form
    199,337.38/299,056.58 = 66,218.33/x
  3. Step 3: Cross multiply
    199,337.38x = 299,056.58 × 66,218.33
  4. Step 4: Simplify right side
    199,337.38x = 19,803,027,303.11
  5. Step 5: Solve for x
    x = 19,803,027,303.11/199,337.38
  6. Step 6: Final answer
    x = 99,344.27

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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.