Home / 196,273.44-270,892.80-115,696.32

Finding the Fourth Proportional to 196,273.44, 270,892.80 and 115,696.32

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Solution

The fourth proportional to 196,273.44, 270,892.80 and 115,696.32 is: 159,681.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,273.44 : 270,892.80 = 115,696.32 : x
  2. Step 2: Convert to fraction form
    196,273.44/270,892.80 = 115,696.32/x
  3. Step 3: Cross multiply
    196,273.44x = 270,892.80 × 115,696.32
  4. Step 4: Simplify right side
    196,273.44x = 31,341,300,074.50
  5. Step 5: Solve for x
    x = 31,341,300,074.50/196,273.44
  6. Step 6: Final answer
    x = 159,681.82

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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.