Home / 350,985.59-484,358.54-189,840.26

Finding the Fourth Proportional to 350,985.59, 484,358.54 and 189,840.26

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Solution

The fourth proportional to 350,985.59, 484,358.54 and 189,840.26 is: 261,978.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,985.59 : 484,358.54 = 189,840.26 : x
  2. Step 2: Convert to fraction form
    350,985.59/484,358.54 = 189,840.26/x
  3. Step 3: Cross multiply
    350,985.59x = 484,358.54 × 189,840.26
  4. Step 4: Simplify right side
    350,985.59x = 91,950,747,795.83
  5. Step 5: Solve for x
    x = 91,950,747,795.83/350,985.59
  6. Step 6: Final answer
    x = 261,978.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.