Home / 196,658.05-271,386.14-109,441.68

Finding the Fourth Proportional to 196,658.05, 271,386.14 and 109,441.68

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Solution

The fourth proportional to 196,658.05, 271,386.14 and 109,441.68 is: 151,028.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,658.05 : 271,386.14 = 109,441.68 : x
  2. Step 2: Convert to fraction form
    196,658.05/271,386.14 = 109,441.68/x
  3. Step 3: Cross multiply
    196,658.05x = 271,386.14 × 109,441.68
  4. Step 4: Simplify right side
    196,658.05x = 29,700,953,186.18
  5. Step 5: Solve for x
    x = 29,700,953,186.18/196,658.05
  6. Step 6: Final answer
    x = 151,028.41

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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.