Home / 132,007.40-197,816.70-112,178.60

Finding the Fourth Proportional to 132,007.40, 197,816.70 and 112,178.60

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Solution

The fourth proportional to 132,007.40, 197,816.70 and 112,178.60 is: 168,102.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,007.40 : 197,816.70 = 112,178.60 : x
  2. Step 2: Convert to fraction form
    132,007.40/197,816.70 = 112,178.60/x
  3. Step 3: Cross multiply
    132,007.40x = 197,816.70 × 112,178.60
  4. Step 4: Simplify right side
    132,007.40x = 22,190,800,462.62
  5. Step 5: Solve for x
    x = 22,190,800,462.62/132,007.40
  6. Step 6: Final answer
    x = 168,102.70

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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.