Home / 188,264.35-259,807.78-102,223.28

Finding the Fourth Proportional to 188,264.35, 259,807.78 and 102,223.28

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Solution

The fourth proportional to 188,264.35, 259,807.78 and 102,223.28 is: 141,069.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,264.35 : 259,807.78 = 102,223.28 : x
  2. Step 2: Convert to fraction form
    188,264.35/259,807.78 = 102,223.28/x
  3. Step 3: Cross multiply
    188,264.35x = 259,807.78 × 102,223.28
  4. Step 4: Simplify right side
    188,264.35x = 26,558,404,964.11
  5. Step 5: Solve for x
    x = 26,558,404,964.11/188,264.35
  6. Step 6: Final answer
    x = 141,069.75

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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.