Home / 106,144.86-159,205.08-39,587.16

Finding the Fourth Proportional to 106,144.86, 159,205.08 and 39,587.16

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Solution

The fourth proportional to 106,144.86, 159,205.08 and 39,587.16 is: 59,376.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,144.86 : 159,205.08 = 39,587.16 : x
  2. Step 2: Convert to fraction form
    106,144.86/159,205.08 = 39,587.16/x
  3. Step 3: Cross multiply
    106,144.86x = 159,205.08 × 39,587.16
  4. Step 4: Simplify right side
    106,144.86x = 6,302,476,974.77
  5. Step 5: Solve for x
    x = 6,302,476,974.77/106,144.86
  6. Step 6: Final answer
    x = 59,376.19

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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.