Home / 106,317.36-159,476.15-99,821.97

Finding the Fourth Proportional to 106,317.36, 159,476.15 and 99,821.97

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Solution

The fourth proportional to 106,317.36, 159,476.15 and 99,821.97 is: 149,733.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,317.36 : 159,476.15 = 99,821.97 : x
  2. Step 2: Convert to fraction form
    106,317.36/159,476.15 = 99,821.97/x
  3. Step 3: Cross multiply
    106,317.36x = 159,476.15 × 99,821.97
  4. Step 4: Simplify right side
    106,317.36x = 15,919,223,461.02
  5. Step 5: Solve for x
    x = 15,919,223,461.02/106,317.36
  6. Step 6: Final answer
    x = 149,733.06

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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.