Home / 186,589.15-257,493.42-122,102.62

Finding the Fourth Proportional to 186,589.15, 257,493.42 and 122,102.62

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Solution

The fourth proportional to 186,589.15, 257,493.42 and 122,102.62 is: 168,501.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,589.15 : 257,493.42 = 122,102.62 : x
  2. Step 2: Convert to fraction form
    186,589.15/257,493.42 = 122,102.62/x
  3. Step 3: Cross multiply
    186,589.15x = 257,493.42 × 122,102.62
  4. Step 4: Simplify right side
    186,589.15x = 31,440,621,214.76
  5. Step 5: Solve for x
    x = 31,440,621,214.76/186,589.15
  6. Step 6: Final answer
    x = 168,501.87

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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.