Home / 106,431.30-146,875.50-58,683.60

Finding the Fourth Proportional to 106,431.30, 146,875.50 and 58,683.60

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Solution

The fourth proportional to 106,431.30, 146,875.50 and 58,683.60 is: 80,983.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,431.30 : 146,875.50 = 58,683.60 : x
  2. Step 2: Convert to fraction form
    106,431.30/146,875.50 = 58,683.60/x
  3. Step 3: Cross multiply
    106,431.30x = 146,875.50 × 58,683.60
  4. Step 4: Simplify right side
    106,431.30x = 8,619,183,091.80
  5. Step 5: Solve for x
    x = 8,619,183,091.80/106,431.30
  6. Step 6: Final answer
    x = 80,983.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.