Home / 131,554.71-197,361.23-61,395.75

Finding the Fourth Proportional to 131,554.71, 197,361.23 and 61,395.75

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Solution

The fourth proportional to 131,554.71, 197,361.23 and 61,395.75 is: 92,107.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,554.71 : 197,361.23 = 61,395.75 : x
  2. Step 2: Convert to fraction form
    131,554.71/197,361.23 = 61,395.75/x
  3. Step 3: Cross multiply
    131,554.71x = 197,361.23 × 61,395.75
  4. Step 4: Simplify right side
    131,554.71x = 12,117,140,429.79
  5. Step 5: Solve for x
    x = 12,117,140,429.79/131,554.71
  6. Step 6: Final answer
    x = 92,107.23

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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.