Home / 148,762.08-222,762.15-82,128.24

Finding the Fourth Proportional to 148,762.08, 222,762.15 and 82,128.24

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Solution

The fourth proportional to 148,762.08, 222,762.15 and 82,128.24 is: 122,982.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,762.08 : 222,762.15 = 82,128.24 : x
  2. Step 2: Convert to fraction form
    148,762.08/222,762.15 = 82,128.24/x
  3. Step 3: Cross multiply
    148,762.08x = 222,762.15 × 82,128.24
  4. Step 4: Simplify right side
    148,762.08x = 18,295,063,318.12
  5. Step 5: Solve for x
    x = 18,295,063,318.12/148,762.08
  6. Step 6: Final answer
    x = 122,982.03

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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.