Home / 197,830.34-273,005.50-107,188.60

Finding the Fourth Proportional to 197,830.34, 273,005.50 and 107,188.60

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Solution

The fourth proportional to 197,830.34, 273,005.50 and 107,188.60 is: 147,920.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,830.34 : 273,005.50 = 107,188.60 : x
  2. Step 2: Convert to fraction form
    197,830.34/273,005.50 = 107,188.60/x
  3. Step 3: Cross multiply
    197,830.34x = 273,005.50 × 107,188.60
  4. Step 4: Simplify right side
    197,830.34x = 29,263,077,337.30
  5. Step 5: Solve for x
    x = 29,263,077,337.30/197,830.34
  6. Step 6: Final answer
    x = 147,920.07

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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.