Home / 196,684.72-271,422.36-110,643.49

Finding the Fourth Proportional to 196,684.72, 271,422.36 and 110,643.49

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Solution

The fourth proportional to 196,684.72, 271,422.36 and 110,643.49 is: 152,686.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,684.72 : 271,422.36 = 110,643.49 : x
  2. Step 2: Convert to fraction form
    196,684.72/271,422.36 = 110,643.49/x
  3. Step 3: Cross multiply
    196,684.72x = 271,422.36 × 110,643.49
  4. Step 4: Simplify right side
    196,684.72x = 30,031,117,174.44
  5. Step 5: Solve for x
    x = 30,031,117,174.44/196,684.72
  6. Step 6: Final answer
    x = 152,686.58

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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.