Home / 388,614.26-582,921.36-151,790.86

Finding the Fourth Proportional to 388,614.26, 582,921.36 and 151,790.86

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Solution

The fourth proportional to 388,614.26, 582,921.36 and 151,790.86 is: 227,686.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,614.26 : 582,921.36 = 151,790.86 : x
  2. Step 2: Convert to fraction form
    388,614.26/582,921.36 = 151,790.86/x
  3. Step 3: Cross multiply
    388,614.26x = 582,921.36 × 151,790.86
  4. Step 4: Simplify right side
    388,614.26x = 88,482,135,275.42
  5. Step 5: Solve for x
    x = 88,482,135,275.42/388,614.26
  6. Step 6: Final answer
    x = 227,686.28

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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.