Home / 196,033.86-270,485.10-115,432.02

Finding the Fourth Proportional to 196,033.86, 270,485.10 and 115,432.02

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Solution

The fourth proportional to 196,033.86, 270,485.10 and 115,432.02 is: 159,271.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,033.86 : 270,485.10 = 115,432.02 : x
  2. Step 2: Convert to fraction form
    196,033.86/270,485.10 = 115,432.02/x
  3. Step 3: Cross multiply
    196,033.86x = 270,485.10 × 115,432.02
  4. Step 4: Simplify right side
    196,033.86x = 31,222,641,472.90
  5. Step 5: Solve for x
    x = 31,222,641,472.90/196,033.86
  6. Step 6: Final answer
    x = 159,271.68

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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.