Home / 196,368.46-270,941.43-115,789.66

Finding the Fourth Proportional to 196,368.46, 270,941.43 and 115,789.66

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Solution

The fourth proportional to 196,368.46, 270,941.43 and 115,789.66 is: 159,761.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,368.46 : 270,941.43 = 115,789.66 : x
  2. Step 2: Convert to fraction form
    196,368.46/270,941.43 = 115,789.66/x
  3. Step 3: Cross multiply
    196,368.46x = 270,941.43 × 115,789.66
  4. Step 4: Simplify right side
    196,368.46x = 31,372,216,059.61
  5. Step 5: Solve for x
    x = 31,372,216,059.61/196,368.46
  6. Step 6: Final answer
    x = 159,761.99

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1.5x scale

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.