Home / 254,636.40-382,081.32-192,686.96

Finding the Fourth Proportional to 254,636.40, 382,081.32 and 192,686.96

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Solution

The fourth proportional to 254,636.40, 382,081.32 and 192,686.96 is: 289,126.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,636.40 : 382,081.32 = 192,686.96 : x
  2. Step 2: Convert to fraction form
    254,636.40/382,081.32 = 192,686.96/x
  3. Step 3: Cross multiply
    254,636.40x = 382,081.32 × 192,686.96
  4. Step 4: Simplify right side
    254,636.40x = 73,622,088,023.59
  5. Step 5: Solve for x
    x = 73,622,088,023.59/254,636.40
  6. Step 6: Final answer
    x = 289,126.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.