Home / 311,917.93-467,828.09-101,554.45

Finding the Fourth Proportional to 311,917.93, 467,828.09 and 101,554.45

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Solution

The fourth proportional to 311,917.93, 467,828.09 and 101,554.45 is: 152,315.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,917.93 : 467,828.09 = 101,554.45 : x
  2. Step 2: Convert to fraction form
    311,917.93/467,828.09 = 101,554.45/x
  3. Step 3: Cross multiply
    311,917.93x = 467,828.09 × 101,554.45
  4. Step 4: Simplify right side
    311,917.93x = 47,510,024,374.50
  5. Step 5: Solve for x
    x = 47,510,024,374.50/311,917.93
  6. Step 6: Final answer
    x = 152,315.79

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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.