Home / 168,022.64-252,033.35-79,228.01

Finding the Fourth Proportional to 168,022.64, 252,033.35 and 79,228.01

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Solution

The fourth proportional to 168,022.64, 252,033.35 and 79,228.01 is: 118,841.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,022.64 : 252,033.35 = 79,228.01 : x
  2. Step 2: Convert to fraction form
    168,022.64/252,033.35 = 79,228.01/x
  3. Step 3: Cross multiply
    168,022.64x = 252,033.35 × 79,228.01
  4. Step 4: Simplify right side
    168,022.64x = 19,968,099,117.83
  5. Step 5: Solve for x
    x = 19,968,099,117.83/168,022.64
  6. Step 6: Final answer
    x = 118,841.72

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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.