Home / 106,272.90-159,234.38-74,255.22

Finding the Fourth Proportional to 106,272.90, 159,234.38 and 74,255.22

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Solution

The fourth proportional to 106,272.90, 159,234.38 and 74,255.22 is: 111,260.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,272.90 : 159,234.38 = 74,255.22 : x
  2. Step 2: Convert to fraction form
    106,272.90/159,234.38 = 74,255.22/x
  3. Step 3: Cross multiply
    106,272.90x = 159,234.38 × 74,255.22
  4. Step 4: Simplify right side
    106,272.90x = 11,823,983,547.19
  5. Step 5: Solve for x
    x = 11,823,983,547.19/106,272.90
  6. Step 6: Final answer
    x = 111,260.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.