Home / 97,447.80-146,171.70-89,844.60

Finding the Fourth Proportional to 97,447.80, 146,171.70 and 89,844.60

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Solution

The fourth proportional to 97,447.80, 146,171.70 and 89,844.60 is: 134,766.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,447.80 : 146,171.70 = 89,844.60 : x
  2. Step 2: Convert to fraction form
    97,447.80/146,171.70 = 89,844.60/x
  3. Step 3: Cross multiply
    97,447.80x = 146,171.70 × 89,844.60
  4. Step 4: Simplify right side
    97,447.80x = 13,132,737,917.82
  5. Step 5: Solve for x
    x = 13,132,737,917.82/97,447.80
  6. Step 6: Final answer
    x = 134,766.90

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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.