Home / 196,375.38-270,985.05-115,799.10

Finding the Fourth Proportional to 196,375.38, 270,985.05 and 115,799.10

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Solution

The fourth proportional to 196,375.38, 270,985.05 and 115,799.10 is: 159,795.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,375.38 : 270,985.05 = 115,799.10 : x
  2. Step 2: Convert to fraction form
    196,375.38/270,985.05 = 115,799.10/x
  3. Step 3: Cross multiply
    196,375.38x = 270,985.05 × 115,799.10
  4. Step 4: Simplify right side
    196,375.38x = 31,379,824,903.46
  5. Step 5: Solve for x
    x = 31,379,824,903.46/196,375.38
  6. Step 6: Final answer
    x = 159,795.11

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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.