Home / 188,353.40-259,932.38-102,312.36

Finding the Fourth Proportional to 188,353.40, 259,932.38 and 102,312.36

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Solution

The fourth proportional to 188,353.40, 259,932.38 and 102,312.36 is: 141,193.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,353.40 : 259,932.38 = 102,312.36 : x
  2. Step 2: Convert to fraction form
    188,353.40/259,932.38 = 102,312.36/x
  3. Step 3: Cross multiply
    188,353.40x = 259,932.38 × 102,312.36
  4. Step 4: Simplify right side
    188,353.40x = 26,594,295,401.53
  5. Step 5: Solve for x
    x = 26,594,295,401.53/188,353.40
  6. Step 6: Final answer
    x = 141,193.60

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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.