Home / 106,135.84-159,148.80-31,246.24

Finding the Fourth Proportional to 106,135.84, 159,148.80 and 31,246.24

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Solution

The fourth proportional to 106,135.84, 159,148.80 and 31,246.24 is: 46,853.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,135.84 : 159,148.80 = 31,246.24 : x
  2. Step 2: Convert to fraction form
    106,135.84/159,148.80 = 31,246.24/x
  3. Step 3: Cross multiply
    106,135.84x = 159,148.80 × 31,246.24
  4. Step 4: Simplify right side
    106,135.84x = 4,972,801,600.51
  5. Step 5: Solve for x
    x = 4,972,801,600.51/106,135.84
  6. Step 6: Final answer
    x = 46,853.18

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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.