Home / 164,389.33-226,844.35-100,718.47

Finding the Fourth Proportional to 164,389.33, 226,844.35 and 100,718.47

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Solution

The fourth proportional to 164,389.33, 226,844.35 and 100,718.47 is: 138,983.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,389.33 : 226,844.35 = 100,718.47 : x
  2. Step 2: Convert to fraction form
    164,389.33/226,844.35 = 100,718.47/x
  3. Step 3: Cross multiply
    164,389.33x = 226,844.35 × 100,718.47
  4. Step 4: Simplify right side
    164,389.33x = 22,847,415,860.14
  5. Step 5: Solve for x
    x = 22,847,415,860.14/164,389.33
  6. Step 6: Final answer
    x = 138,983.57

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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.