Home / 196,977.60-295,120.80-161,726.40

Finding the Fourth Proportional to 196,977.60, 295,120.80 and 161,726.40

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Solution

The fourth proportional to 196,977.60, 295,120.80 and 161,726.40 is: 242,305.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,977.60 : 295,120.80 = 161,726.40 : x
  2. Step 2: Convert to fraction form
    196,977.60/295,120.80 = 161,726.40/x
  3. Step 3: Cross multiply
    196,977.60x = 295,120.80 × 161,726.40
  4. Step 4: Simplify right side
    196,977.60x = 47,728,824,549.12
  5. Step 5: Solve for x
    x = 47,728,824,549.12/196,977.60
  6. Step 6: Final answer
    x = 242,305.85

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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.