Home / 196,454.39-271,139.67-115,901.71

Finding the Fourth Proportional to 196,454.39, 271,139.67 and 115,901.71

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Solution

The fourth proportional to 196,454.39, 271,139.67 and 115,901.71 is: 159,963.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,454.39 : 271,139.67 = 115,901.71 : x
  2. Step 2: Convert to fraction form
    196,454.39/271,139.67 = 115,901.71/x
  3. Step 3: Cross multiply
    196,454.39x = 271,139.67 × 115,901.71
  4. Step 4: Simplify right side
    196,454.39x = 31,425,549,466.63
  5. Step 5: Solve for x
    x = 31,425,549,466.63/196,454.39
  6. Step 6: Final answer
    x = 159,963.59

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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.