Home / 141,558.72-212,177.12-73,986.60

Finding the Fourth Proportional to 141,558.72, 212,177.12 and 73,986.60

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Solution

The fourth proportional to 141,558.72, 212,177.12 and 73,986.60 is: 110,895.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,558.72 : 212,177.12 = 73,986.60 : x
  2. Step 2: Convert to fraction form
    141,558.72/212,177.12 = 73,986.60/x
  3. Step 3: Cross multiply
    141,558.72x = 212,177.12 × 73,986.60
  4. Step 4: Simplify right side
    141,558.72x = 15,698,263,706.59
  5. Step 5: Solve for x
    x = 15,698,263,706.59/141,558.72
  6. Step 6: Final answer
    x = 110,895.77

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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.