Home / 135,939.06-204,317.63-112,397.37

Finding the Fourth Proportional to 135,939.06, 204,317.63 and 112,397.37

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Solution

The fourth proportional to 135,939.06, 204,317.63 and 112,397.37 is: 168,934.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,939.06 : 204,317.63 = 112,397.37 : x
  2. Step 2: Convert to fraction form
    135,939.06/204,317.63 = 112,397.37/x
  3. Step 3: Cross multiply
    135,939.06x = 204,317.63 × 112,397.37
  4. Step 4: Simplify right side
    135,939.06x = 22,964,763,349.95
  5. Step 5: Solve for x
    x = 22,964,763,349.95/135,939.06
  6. Step 6: Final answer
    x = 168,934.25

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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.