Home / 151,211.38-208,668.64-94,653.94

Finding the Fourth Proportional to 151,211.38, 208,668.64 and 94,653.94

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Solution

The fourth proportional to 151,211.38, 208,668.64 and 94,653.94 is: 130,620.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,211.38 : 208,668.64 = 94,653.94 : x
  2. Step 2: Convert to fraction form
    151,211.38/208,668.64 = 94,653.94/x
  3. Step 3: Cross multiply
    151,211.38x = 208,668.64 × 94,653.94
  4. Step 4: Simplify right side
    151,211.38x = 19,751,308,930.44
  5. Step 5: Solve for x
    x = 19,751,308,930.44/151,211.38
  6. Step 6: Final answer
    x = 130,620.52

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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.