Home / 196,964.19-271,810.35-116,420.76

Finding the Fourth Proportional to 196,964.19, 271,810.35 and 116,420.76

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Solution

The fourth proportional to 196,964.19, 271,810.35 and 116,420.76 is: 160,660.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,964.19 : 271,810.35 = 116,420.76 : x
  2. Step 2: Convert to fraction form
    196,964.19/271,810.35 = 116,420.76/x
  3. Step 3: Cross multiply
    196,964.19x = 271,810.35 × 116,420.76
  4. Step 4: Simplify right side
    196,964.19x = 31,644,367,522.87
  5. Step 5: Solve for x
    x = 31,644,367,522.87/196,964.19
  6. Step 6: Final answer
    x = 160,660.51

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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.