Home / 186,416.26-257,172.60-125,964.88

Finding the Fourth Proportional to 186,416.26, 257,172.60 and 125,964.88

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Solution

The fourth proportional to 186,416.26, 257,172.60 and 125,964.88 is: 173,776.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,416.26 : 257,172.60 = 125,964.88 : x
  2. Step 2: Convert to fraction form
    186,416.26/257,172.60 = 125,964.88/x
  3. Step 3: Cross multiply
    186,416.26x = 257,172.60 × 125,964.88
  4. Step 4: Simplify right side
    186,416.26x = 32,394,715,527.72
  5. Step 5: Solve for x
    x = 32,394,715,527.72/186,416.26
  6. Step 6: Final answer
    x = 173,776.24

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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.