Home / 196,454.38-271,139.66-115,901.71

Finding the Fourth Proportional to 196,454.38, 271,139.66 and 115,901.71

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Solution

The fourth proportional to 196,454.38, 271,139.66 and 115,901.71 is: 159,963.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,454.38 : 271,139.66 = 115,901.71 : x
  2. Step 2: Convert to fraction form
    196,454.38/271,139.66 = 115,901.71/x
  3. Step 3: Cross multiply
    196,454.38x = 271,139.66 × 115,901.71
  4. Step 4: Simplify right side
    196,454.38x = 31,425,550,242.82
  5. Step 5: Solve for x
    x = 31,425,550,242.82/196,454.38
  6. Step 6: Final answer
    x = 159,963.60

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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.