Home / 131,735.36-197,603.55-31,895.40

Finding the Fourth Proportional to 131,735.36, 197,603.55 and 31,895.40

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Solution

The fourth proportional to 131,735.36, 197,603.55 and 31,895.40 is: 47,843.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,735.36 : 197,603.55 = 31,895.40 : x
  2. Step 2: Convert to fraction form
    131,735.36/197,603.55 = 31,895.40/x
  3. Step 3: Cross multiply
    131,735.36x = 197,603.55 × 31,895.40
  4. Step 4: Simplify right side
    131,735.36x = 6,302,645,009.68
  5. Step 5: Solve for x
    x = 6,302,645,009.68/131,735.36
  6. Step 6: Final answer
    x = 47,843.23

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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.