Home / 230,729.40-346,029.30-73,006.20

Finding the Fourth Proportional to 230,729.40, 346,029.30 and 73,006.20

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Solution

The fourth proportional to 230,729.40, 346,029.30 and 73,006.20 is: 109,488.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,729.40 : 346,029.30 = 73,006.20 : x
  2. Step 2: Convert to fraction form
    230,729.40/346,029.30 = 73,006.20/x
  3. Step 3: Cross multiply
    230,729.40x = 346,029.30 × 73,006.20
  4. Step 4: Simplify right side
    230,729.40x = 25,262,284,281.66
  5. Step 5: Solve for x
    x = 25,262,284,281.66/230,729.40
  6. Step 6: Final answer
    x = 109,488.80

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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.