Home / 168,198.90-252,298.36-115,448.46

Finding the Fourth Proportional to 168,198.90, 252,298.36 and 115,448.46

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Solution

The fourth proportional to 168,198.90, 252,298.36 and 115,448.46 is: 173,172.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,198.90 : 252,298.36 = 115,448.46 : x
  2. Step 2: Convert to fraction form
    168,198.90/252,298.36 = 115,448.46/x
  3. Step 3: Cross multiply
    168,198.90x = 252,298.36 × 115,448.46
  4. Step 4: Simplify right side
    168,198.90x = 29,127,457,122.53
  5. Step 5: Solve for x
    x = 29,127,457,122.53/168,198.90
  6. Step 6: Final answer
    x = 173,172.70

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1.5x scale

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.