Home / 196,335.63-270,935.75-119,982.40

Finding the Fourth Proportional to 196,335.63, 270,935.75 and 119,982.40

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Solution

The fourth proportional to 196,335.63, 270,935.75 and 119,982.40 is: 165,571.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,335.63 : 270,935.75 = 119,982.40 : x
  2. Step 2: Convert to fraction form
    196,335.63/270,935.75 = 119,982.40/x
  3. Step 3: Cross multiply
    196,335.63x = 270,935.75 × 119,982.40
  4. Step 4: Simplify right side
    196,335.63x = 32,507,521,153.42
  5. Step 5: Solve for x
    x = 32,507,521,153.42/196,335.63
  6. Step 6: Final answer
    x = 165,571.18

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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.