Home / 132,037.44-198,023.83-72,001.20

Finding the Fourth Proportional to 132,037.44, 198,023.83 and 72,001.20

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Solution

The fourth proportional to 132,037.44, 198,023.83 and 72,001.20 is: 107,984.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,037.44 : 198,023.83 = 72,001.20 : x
  2. Step 2: Convert to fraction form
    132,037.44/198,023.83 = 72,001.20/x
  3. Step 3: Cross multiply
    132,037.44x = 198,023.83 × 72,001.20
  4. Step 4: Simplify right side
    132,037.44x = 14,257,953,388.60
  5. Step 5: Solve for x
    x = 14,257,953,388.60/132,037.44
  6. Step 6: Final answer
    x = 107,984.17

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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.