Home / 254,010.24-381,029.76-76,541.76

Finding the Fourth Proportional to 254,010.24, 381,029.76 and 76,541.76

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Solution

The fourth proportional to 254,010.24, 381,029.76 and 76,541.76 is: 114,816.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,010.24 : 381,029.76 = 76,541.76 : x
  2. Step 2: Convert to fraction form
    254,010.24/381,029.76 = 76,541.76/x
  3. Step 3: Cross multiply
    254,010.24x = 381,029.76 × 76,541.76
  4. Step 4: Simplify right side
    254,010.24x = 29,164,688,442.78
  5. Step 5: Solve for x
    x = 29,164,688,442.78/254,010.24
  6. Step 6: Final answer
    x = 114,816.98

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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.