Home / 388,236.65-582,084.78-171,977.93

Finding the Fourth Proportional to 388,236.65, 582,084.78 and 171,977.93

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Solution

The fourth proportional to 388,236.65, 582,084.78 and 171,977.93 is: 257,847.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,236.65 : 582,084.78 = 171,977.93 : x
  2. Step 2: Convert to fraction form
    388,236.65/582,084.78 = 171,977.93/x
  3. Step 3: Cross multiply
    388,236.65x = 582,084.78 × 171,977.93
  4. Step 4: Simplify right side
    388,236.65x = 100,105,738,417.99
  5. Step 5: Solve for x
    x = 100,105,738,417.99/388,236.65
  6. Step 6: Final answer
    x = 257,847.22

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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.