Home / 131,627.08-197,622.06-112,031.56

Finding the Fourth Proportional to 131,627.08, 197,622.06 and 112,031.56

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Solution

The fourth proportional to 131,627.08, 197,622.06 and 112,031.56 is: 168,201.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,627.08 : 197,622.06 = 112,031.56 : x
  2. Step 2: Convert to fraction form
    131,627.08/197,622.06 = 112,031.56/x
  3. Step 3: Cross multiply
    131,627.08x = 197,622.06 × 112,031.56
  4. Step 4: Simplify right side
    131,627.08x = 22,139,907,672.21
  5. Step 5: Solve for x
    x = 22,139,907,672.21/131,627.08
  6. Step 6: Final answer
    x = 168,201.77

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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.