Home / 356,449.64-533,985.46-198,198.32

Finding the Fourth Proportional to 356,449.64, 533,985.46 and 198,198.32

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Solution

The fourth proportional to 356,449.64, 533,985.46 and 198,198.32 is: 296,914.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,449.64 : 533,985.46 = 198,198.32 : x
  2. Step 2: Convert to fraction form
    356,449.64/533,985.46 = 198,198.32/x
  3. Step 3: Cross multiply
    356,449.64x = 533,985.46 × 198,198.32
  4. Step 4: Simplify right side
    356,449.64x = 105,835,017,911.00
  5. Step 5: Solve for x
    x = 105,835,017,911.00/356,449.64
  6. Step 6: Final answer
    x = 296,914.37

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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.