Home / 196,021.16-294,014.46-77,661.80

Finding the Fourth Proportional to 196,021.16, 294,014.46 and 77,661.80

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Solution

The fourth proportional to 196,021.16, 294,014.46 and 77,661.80 is: 116,485.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,021.16 : 294,014.46 = 77,661.80 : x
  2. Step 2: Convert to fraction form
    196,021.16/294,014.46 = 77,661.80/x
  3. Step 3: Cross multiply
    196,021.16x = 294,014.46 × 77,661.80
  4. Step 4: Simplify right side
    196,021.16x = 22,833,692,189.63
  5. Step 5: Solve for x
    x = 22,833,692,189.63/196,021.16
  6. Step 6: Final answer
    x = 116,485.85

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1.5x scale

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.