Home / 196,816.99-270,950.10-187,778.41

Finding the Fourth Proportional to 196,816.99, 270,950.10 and 187,778.41

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Solution

The fourth proportional to 196,816.99, 270,950.10 and 187,778.41 is: 258,507.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,816.99 : 270,950.10 = 187,778.41 : x
  2. Step 2: Convert to fraction form
    196,816.99/270,950.10 = 187,778.41/x
  3. Step 3: Cross multiply
    196,816.99x = 270,950.10 × 187,778.41
  4. Step 4: Simplify right side
    196,816.99x = 50,878,578,967.34
  5. Step 5: Solve for x
    x = 50,878,578,967.34/196,816.99
  6. Step 6: Final answer
    x = 258,507.05

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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.