Home / 197,028.47-271,899.59-112,145.53

Finding the Fourth Proportional to 197,028.47, 271,899.59 and 112,145.53

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Solution

The fourth proportional to 197,028.47, 271,899.59 and 112,145.53 is: 154,761.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,028.47 : 271,899.59 = 112,145.53 : x
  2. Step 2: Convert to fraction form
    197,028.47/271,899.59 = 112,145.53/x
  3. Step 3: Cross multiply
    197,028.47x = 271,899.59 × 112,145.53
  4. Step 4: Simplify right side
    197,028.47x = 30,492,324,037.30
  5. Step 5: Solve for x
    x = 30,492,324,037.30/197,028.47
  6. Step 6: Final answer
    x = 154,761.01

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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.