Home / 378,946.36-567,943.52-189,459.48

Finding the Fourth Proportional to 378,946.36, 567,943.52 and 189,459.48

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Solution

The fourth proportional to 378,946.36, 567,943.52 and 189,459.48 is: 283,951.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,946.36 : 567,943.52 = 189,459.48 : x
  2. Step 2: Convert to fraction form
    378,946.36/567,943.52 = 189,459.48/x
  3. Step 3: Cross multiply
    378,946.36x = 567,943.52 × 189,459.48
  4. Step 4: Simplify right side
    378,946.36x = 107,602,284,442.22
  5. Step 5: Solve for x
    x = 107,602,284,442.22/378,946.36
  6. Step 6: Final answer
    x = 283,951.23

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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.