Home / 185,250.51-255,644.10-100,367.37

Finding the Fourth Proportional to 185,250.51, 255,644.10 and 100,367.37

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Solution

The fourth proportional to 185,250.51, 255,644.10 and 100,367.37 is: 138,506.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,250.51 : 255,644.10 = 100,367.37 : x
  2. Step 2: Convert to fraction form
    185,250.51/255,644.10 = 100,367.37/x
  3. Step 3: Cross multiply
    185,250.51x = 255,644.10 × 100,367.37
  4. Step 4: Simplify right side
    185,250.51x = 25,658,325,973.02
  5. Step 5: Solve for x
    x = 25,658,325,973.02/185,250.51
  6. Step 6: Final answer
    x = 138,506.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.