Home / 173,135.22-238,932.81-100,532.67

Finding the Fourth Proportional to 173,135.22, 238,932.81 and 100,532.67

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Solution

The fourth proportional to 173,135.22, 238,932.81 and 100,532.67 is: 138,738.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,135.22 : 238,932.81 = 100,532.67 : x
  2. Step 2: Convert to fraction form
    173,135.22/238,932.81 = 100,532.67/x
  3. Step 3: Cross multiply
    173,135.22x = 238,932.81 × 100,532.67
  4. Step 4: Simplify right side
    173,135.22x = 24,020,553,339.90
  5. Step 5: Solve for x
    x = 24,020,553,339.90/173,135.22
  6. Step 6: Final answer
    x = 138,738.69

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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.