Home / 196,374.24-270,986.80-111,480.16

Finding the Fourth Proportional to 196,374.24, 270,986.80 and 111,480.16

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Solution

The fourth proportional to 196,374.24, 270,986.80 and 111,480.16 is: 153,837.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,374.24 : 270,986.80 = 111,480.16 : x
  2. Step 2: Convert to fraction form
    196,374.24/270,986.80 = 111,480.16/x
  3. Step 3: Cross multiply
    196,374.24x = 270,986.80 × 111,480.16
  4. Step 4: Simplify right side
    196,374.24x = 30,209,651,821.89
  5. Step 5: Solve for x
    x = 30,209,651,821.89/196,374.24
  6. Step 6: Final answer
    x = 153,837.14

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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.