Home / 254,020.35-381,030.63-76,527.39

Finding the Fourth Proportional to 254,020.35, 381,030.63 and 76,527.39

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Solution

The fourth proportional to 254,020.35, 381,030.63 and 76,527.39 is: 114,791.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,020.35 : 381,030.63 = 76,527.39 : x
  2. Step 2: Convert to fraction form
    254,020.35/381,030.63 = 76,527.39/x
  3. Step 3: Cross multiply
    254,020.35x = 381,030.63 × 76,527.39
  4. Step 4: Simplify right side
    254,020.35x = 29,159,279,623.96
  5. Step 5: Solve for x
    x = 29,159,279,623.96/254,020.35
  6. Step 6: Final answer
    x = 114,791.12

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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.