Home / 436,031.91-653,481.95-195,968.43

Finding the Fourth Proportional to 436,031.91, 653,481.95 and 195,968.43

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Solution

The fourth proportional to 436,031.91, 653,481.95 and 195,968.43 is: 293,698.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,031.91 : 653,481.95 = 195,968.43 : x
  2. Step 2: Convert to fraction form
    436,031.91/653,481.95 = 195,968.43/x
  3. Step 3: Cross multiply
    436,031.91x = 653,481.95 × 195,968.43
  4. Step 4: Simplify right side
    436,031.91x = 128,061,830,795.00
  5. Step 5: Solve for x
    x = 128,061,830,795.00/436,031.91
  6. Step 6: Final answer
    x = 293,698.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.