Home / 311,316.66-467,163.99-124,312.50

Finding the Fourth Proportional to 311,316.66, 467,163.99 and 124,312.50

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Solution

The fourth proportional to 311,316.66, 467,163.99 and 124,312.50 is: 186,544.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,316.66 : 467,163.99 = 124,312.50 : x
  2. Step 2: Convert to fraction form
    311,316.66/467,163.99 = 124,312.50/x
  3. Step 3: Cross multiply
    311,316.66x = 467,163.99 × 124,312.50
  4. Step 4: Simplify right side
    311,316.66x = 58,074,323,506.88
  5. Step 5: Solve for x
    x = 58,074,323,506.88/311,316.66
  6. Step 6: Final answer
    x = 186,544.22

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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.