Home / 114,668.65-158,243.74-66,912.77

Finding the Fourth Proportional to 114,668.65, 158,243.74 and 66,912.77

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Solution

The fourth proportional to 114,668.65, 158,243.74 and 66,912.77 is: 92,340.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,668.65 : 158,243.74 = 66,912.77 : x
  2. Step 2: Convert to fraction form
    114,668.65/158,243.74 = 66,912.77/x
  3. Step 3: Cross multiply
    114,668.65x = 158,243.74 × 66,912.77
  4. Step 4: Simplify right side
    114,668.65x = 10,588,526,978.56
  5. Step 5: Solve for x
    x = 10,588,526,978.56/114,668.65
  6. Step 6: Final answer
    x = 92,340.21

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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.