Home / 186,474.80-257,247.06-126,066.62

Finding the Fourth Proportional to 186,474.80, 257,247.06 and 126,066.62

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Solution

The fourth proportional to 186,474.80, 257,247.06 and 126,066.62 is: 173,912.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,474.80 : 257,247.06 = 126,066.62 : x
  2. Step 2: Convert to fraction form
    186,474.80/257,247.06 = 126,066.62/x
  3. Step 3: Cross multiply
    186,474.80x = 257,247.06 × 126,066.62
  4. Step 4: Simplify right side
    186,474.80x = 32,430,267,359.14
  5. Step 5: Solve for x
    x = 32,430,267,359.14/186,474.80
  6. Step 6: Final answer
    x = 173,912.33

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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.