Home / 199,828.60-299,742.90-111,039.64

Finding the Fourth Proportional to 199,828.60, 299,742.90 and 111,039.64

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Solution

The fourth proportional to 199,828.60, 299,742.90 and 111,039.64 is: 166,559.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,828.60 : 299,742.90 = 111,039.64 : x
  2. Step 2: Convert to fraction form
    199,828.60/299,742.90 = 111,039.64/x
  3. Step 3: Cross multiply
    199,828.60x = 299,742.90 × 111,039.64
  4. Step 4: Simplify right side
    199,828.60x = 33,283,343,708.56
  5. Step 5: Solve for x
    x = 33,283,343,708.56/199,828.60
  6. Step 6: Final answer
    x = 166,559.46

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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.