Home / 196,827.52-271,543.80-121,244.80

Finding the Fourth Proportional to 196,827.52, 271,543.80 and 121,244.80

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Solution

The fourth proportional to 196,827.52, 271,543.80 and 121,244.80 is: 167,269.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,827.52 : 271,543.80 = 121,244.80 : x
  2. Step 2: Convert to fraction form
    196,827.52/271,543.80 = 121,244.80/x
  3. Step 3: Cross multiply
    196,827.52x = 271,543.80 × 121,244.80
  4. Step 4: Simplify right side
    196,827.52x = 32,923,273,722.24
  5. Step 5: Solve for x
    x = 32,923,273,722.24/196,827.52
  6. Step 6: Final answer
    x = 167,269.67

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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.