Home / 231,346.40-346,954.80-73,623.20

Finding the Fourth Proportional to 231,346.40, 346,954.80 and 73,623.20

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Solution

The fourth proportional to 231,346.40, 346,954.80 and 73,623.20 is: 110,414.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,346.40 : 346,954.80 = 73,623.20 : x
  2. Step 2: Convert to fraction form
    231,346.40/346,954.80 = 73,623.20/x
  3. Step 3: Cross multiply
    231,346.40x = 346,954.80 × 73,623.20
  4. Step 4: Simplify right side
    231,346.40x = 25,543,922,631.36
  5. Step 5: Solve for x
    x = 25,543,922,631.36/231,346.40
  6. Step 6: Final answer
    x = 110,414.18

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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.