Home / 199,342.48-298,955.04-74,654.32

Finding the Fourth Proportional to 199,342.48, 298,955.04 and 74,654.32

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Solution

The fourth proportional to 199,342.48, 298,955.04 and 74,654.32 is: 111,959.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,342.48 : 298,955.04 = 74,654.32 : x
  2. Step 2: Convert to fraction form
    199,342.48/298,955.04 = 74,654.32/x
  3. Step 3: Cross multiply
    199,342.48x = 298,955.04 × 74,654.32
  4. Step 4: Simplify right side
    199,342.48x = 22,318,285,221.77
  5. Step 5: Solve for x
    x = 22,318,285,221.77/199,342.48
  6. Step 6: Final answer
    x = 111,959.50

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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.