Home / 196,391.72-271,028.40-111,516.68

Finding the Fourth Proportional to 196,391.72, 271,028.40 and 111,516.68

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Solution

The fourth proportional to 196,391.72, 271,028.40 and 111,516.68 is: 153,897.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,391.72 : 271,028.40 = 111,516.68 : x
  2. Step 2: Convert to fraction form
    196,391.72/271,028.40 = 111,516.68/x
  3. Step 3: Cross multiply
    196,391.72x = 271,028.40 × 111,516.68
  4. Step 4: Simplify right side
    196,391.72x = 30,224,187,353.71
  5. Step 5: Solve for x
    x = 30,224,187,353.71/196,391.72
  6. Step 6: Final answer
    x = 153,897.46

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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.