Home / 196,541.34-294,224.43-120,400.02

Finding the Fourth Proportional to 196,541.34, 294,224.43 and 120,400.02

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Solution

The fourth proportional to 196,541.34, 294,224.43 and 120,400.02 is: 180,240.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,541.34 : 294,224.43 = 120,400.02 : x
  2. Step 2: Convert to fraction form
    196,541.34/294,224.43 = 120,400.02/x
  3. Step 3: Cross multiply
    196,541.34x = 294,224.43 × 120,400.02
  4. Step 4: Simplify right side
    196,541.34x = 35,424,627,707.99
  5. Step 5: Solve for x
    x = 35,424,627,707.99/196,541.34
  6. Step 6: Final answer
    x = 180,240.09

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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.