Home / 148,245.24-204,609.32-136,289.64

Finding the Fourth Proportional to 148,245.24, 204,609.32 and 136,289.64

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Solution

The fourth proportional to 148,245.24, 204,609.32 and 136,289.64 is: 188,108.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,245.24 : 204,609.32 = 136,289.64 : x
  2. Step 2: Convert to fraction form
    148,245.24/204,609.32 = 136,289.64/x
  3. Step 3: Cross multiply
    148,245.24x = 204,609.32 × 136,289.64
  4. Step 4: Simplify right side
    148,245.24x = 27,886,130,563.44
  5. Step 5: Solve for x
    x = 27,886,130,563.44/148,245.24
  6. Step 6: Final answer
    x = 188,108.10

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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.