Home / 254,876.00-382,289.31-77,384.54

Finding the Fourth Proportional to 254,876.00, 382,289.31 and 77,384.54

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Solution

The fourth proportional to 254,876.00, 382,289.31 and 77,384.54 is: 116,069.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,876.00 : 382,289.31 = 77,384.54 : x
  2. Step 2: Convert to fraction form
    254,876.00/382,289.31 = 77,384.54/x
  3. Step 3: Cross multiply
    254,876.00x = 382,289.31 × 77,384.54
  4. Step 4: Simplify right side
    254,876.00x = 29,583,282,401.27
  5. Step 5: Solve for x
    x = 29,583,282,401.27/254,876.00
  6. Step 6: Final answer
    x = 116,069.32

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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.