Home / 193,371.60-290,276.10-104,579.40

Finding the Fourth Proportional to 193,371.60, 290,276.10 and 104,579.40

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Solution

The fourth proportional to 193,371.60, 290,276.10 and 104,579.40 is: 156,987.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,371.60 : 290,276.10 = 104,579.40 : x
  2. Step 2: Convert to fraction form
    193,371.60/290,276.10 = 104,579.40/x
  3. Step 3: Cross multiply
    193,371.60x = 290,276.10 × 104,579.40
  4. Step 4: Simplify right side
    193,371.60x = 30,356,900,372.34
  5. Step 5: Solve for x
    x = 30,356,900,372.34/193,371.60
  6. Step 6: Final answer
    x = 156,987.38

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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.