Home / 131,491.40-197,237.10-117,494.60

Finding the Fourth Proportional to 131,491.40, 197,237.10 and 117,494.60

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Solution

The fourth proportional to 131,491.40, 197,237.10 and 117,494.60 is: 176,241.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,491.40 : 197,237.10 = 117,494.60 : x
  2. Step 2: Convert to fraction form
    131,491.40/197,237.10 = 117,494.60/x
  3. Step 3: Cross multiply
    131,491.40x = 197,237.10 × 117,494.60
  4. Step 4: Simplify right side
    131,491.40x = 23,174,294,169.66
  5. Step 5: Solve for x
    x = 23,174,294,169.66/131,491.40
  6. Step 6: Final answer
    x = 176,241.90

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1.5x scale

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.