Home / 196,717.34-294,852.76-172,978.98

Finding the Fourth Proportional to 196,717.34, 294,852.76 and 172,978.98

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Solution

The fourth proportional to 196,717.34, 294,852.76 and 172,978.98 is: 259,272.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,717.34 : 294,852.76 = 172,978.98 : x
  2. Step 2: Convert to fraction form
    196,717.34/294,852.76 = 172,978.98/x
  3. Step 3: Cross multiply
    196,717.34x = 294,852.76 × 172,978.98
  4. Step 4: Simplify right side
    196,717.34x = 51,003,328,136.84
  5. Step 5: Solve for x
    x = 51,003,328,136.84/196,717.34
  6. Step 6: Final answer
    x = 259,272.15

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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.