Home / 388,253.90-582,110.64-171,995.18

Finding the Fourth Proportional to 388,253.90, 582,110.64 and 171,995.18

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Solution

The fourth proportional to 388,253.90, 582,110.64 and 171,995.18 is: 257,873.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,253.90 : 582,110.64 = 171,995.18 : x
  2. Step 2: Convert to fraction form
    388,253.90/582,110.64 = 171,995.18/x
  3. Step 3: Cross multiply
    388,253.90x = 582,110.64 × 171,995.18
  4. Step 4: Simplify right side
    388,253.90x = 100,120,221,396.16
  5. Step 5: Solve for x
    x = 100,120,221,396.16/388,253.90
  6. Step 6: Final answer
    x = 257,873.06

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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.