Home / 131,626.08-197,620.56-112,030.56

Finding the Fourth Proportional to 131,626.08, 197,620.56 and 112,030.56

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Solution

The fourth proportional to 131,626.08, 197,620.56 and 112,030.56 is: 168,200.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,626.08 : 197,620.56 = 112,030.56 : x
  2. Step 2: Convert to fraction form
    131,626.08/197,620.56 = 112,030.56/x
  3. Step 3: Cross multiply
    131,626.08x = 197,620.56 × 112,030.56
  4. Step 4: Simplify right side
    131,626.08x = 22,139,542,004.31
  5. Step 5: Solve for x
    x = 22,139,542,004.31/131,626.08
  6. Step 6: Final answer
    x = 168,200.27

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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.