Home / 106,486.56-159,456.66-103,333.26

Finding the Fourth Proportional to 106,486.56, 159,456.66 and 103,333.26

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Solution

The fourth proportional to 106,486.56, 159,456.66 and 103,333.26 is: 154,734.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,486.56 : 159,456.66 = 103,333.26 : x
  2. Step 2: Convert to fraction form
    106,486.56/159,456.66 = 103,333.26/x
  3. Step 3: Cross multiply
    106,486.56x = 159,456.66 × 103,333.26
  4. Step 4: Simplify right side
    106,486.56x = 16,477,176,506.51
  5. Step 5: Solve for x
    x = 16,477,176,506.51/106,486.56
  6. Step 6: Final answer
    x = 154,734.80

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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.