Home / 196,453.38-271,138.28-115,900.71

Finding the Fourth Proportional to 196,453.38, 271,138.28 and 115,900.71

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Solution

The fourth proportional to 196,453.38, 271,138.28 and 115,900.71 is: 159,962.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,453.38 : 271,138.28 = 115,900.71 : x
  2. Step 2: Convert to fraction form
    196,453.38/271,138.28 = 115,900.71/x
  3. Step 3: Cross multiply
    196,453.38x = 271,138.28 × 115,900.71
  4. Step 4: Simplify right side
    196,453.38x = 31,425,119,160.18
  5. Step 5: Solve for x
    x = 31,425,119,160.18/196,453.38
  6. Step 6: Final answer
    x = 159,962.22

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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.