Home / 199,111.60-298,667.40-183,905.20

Finding the Fourth Proportional to 199,111.60, 298,667.40 and 183,905.20

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Solution

The fourth proportional to 199,111.60, 298,667.40 and 183,905.20 is: 275,857.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,111.60 : 298,667.40 = 183,905.20 : x
  2. Step 2: Convert to fraction form
    199,111.60/298,667.40 = 183,905.20/x
  3. Step 3: Cross multiply
    199,111.60x = 298,667.40 × 183,905.20
  4. Step 4: Simplify right side
    199,111.60x = 54,926,487,930.48
  5. Step 5: Solve for x
    x = 54,926,487,930.48/199,111.60
  6. Step 6: Final answer
    x = 275,857.80

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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.