Home / 114,743.63-158,300.84-66,336.64

Finding the Fourth Proportional to 114,743.63, 158,300.84 and 66,336.64

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Solution

The fourth proportional to 114,743.63, 158,300.84 and 66,336.64 is: 91,518.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,743.63 : 158,300.84 = 66,336.64 : x
  2. Step 2: Convert to fraction form
    114,743.63/158,300.84 = 66,336.64/x
  3. Step 3: Cross multiply
    114,743.63x = 158,300.84 × 66,336.64
  4. Step 4: Simplify right side
    114,743.63x = 10,501,145,834.78
  5. Step 5: Solve for x
    x = 10,501,145,834.78/114,743.63
  6. Step 6: Final answer
    x = 91,518.33

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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.