Home / 388,644.77-582,967.16-151,821.38

Finding the Fourth Proportional to 388,644.77, 582,967.16 and 151,821.38

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Solution

The fourth proportional to 388,644.77, 582,967.16 and 151,821.38 is: 227,732.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,644.77 : 582,967.16 = 151,821.38 : x
  2. Step 2: Convert to fraction form
    388,644.77/582,967.16 = 151,821.38/x
  3. Step 3: Cross multiply
    388,644.77x = 582,967.16 × 151,821.38
  4. Step 4: Simplify right side
    388,644.77x = 88,506,879,993.52
  5. Step 5: Solve for x
    x = 88,506,879,993.52/388,644.77
  6. Step 6: Final answer
    x = 227,732.07

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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.