Home / 196,008.34-270,503.31-115,489.53

Finding the Fourth Proportional to 196,008.34, 270,503.31 and 115,489.53

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Solution

The fourth proportional to 196,008.34, 270,503.31 and 115,489.53 is: 159,382.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,008.34 : 270,503.31 = 115,489.53 : x
  2. Step 2: Convert to fraction form
    196,008.34/270,503.31 = 115,489.53/x
  3. Step 3: Cross multiply
    196,008.34x = 270,503.31 × 115,489.53
  4. Step 4: Simplify right side
    196,008.34x = 31,240,300,135.34
  5. Step 5: Solve for x
    x = 31,240,300,135.34/196,008.34
  6. Step 6: Final answer
    x = 159,382.50

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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.