Home / 196,237.26-270,774.90-115,653.87

Finding the Fourth Proportional to 196,237.26, 270,774.90 and 115,653.87

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Solution

The fourth proportional to 196,237.26, 270,774.90 and 115,653.87 is: 159,583.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,237.26 : 270,774.90 = 115,653.87 : x
  2. Step 2: Convert to fraction form
    196,237.26/270,774.90 = 115,653.87/x
  3. Step 3: Cross multiply
    196,237.26x = 270,774.90 × 115,653.87
  4. Step 4: Simplify right side
    196,237.26x = 31,316,165,083.86
  5. Step 5: Solve for x
    x = 31,316,165,083.86/196,237.26
  6. Step 6: Final answer
    x = 159,583.18

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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.