Home / 146,815.50-202,605.18-83,165.54

Finding the Fourth Proportional to 146,815.50, 202,605.18 and 83,165.54

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Solution

The fourth proportional to 146,815.50, 202,605.18 and 83,165.54 is: 114,768.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,815.50 : 202,605.18 = 83,165.54 : x
  2. Step 2: Convert to fraction form
    146,815.50/202,605.18 = 83,165.54/x
  3. Step 3: Cross multiply
    146,815.50x = 202,605.18 × 83,165.54
  4. Step 4: Simplify right side
    146,815.50x = 16,849,769,201.50
  5. Step 5: Solve for x
    x = 16,849,769,201.50/146,815.50
  6. Step 6: Final answer
    x = 114,768.33

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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.