Home / 355,653.20-533,297.40-106,302.80

Finding the Fourth Proportional to 355,653.20, 533,297.40 and 106,302.80

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Solution

The fourth proportional to 355,653.20, 533,297.40 and 106,302.80 is: 159,399.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,653.20 : 533,297.40 = 106,302.80 : x
  2. Step 2: Convert to fraction form
    355,653.20/533,297.40 = 106,302.80/x
  3. Step 3: Cross multiply
    355,653.20x = 533,297.40 × 106,302.80
  4. Step 4: Simplify right side
    355,653.20x = 56,691,006,852.72
  5. Step 5: Solve for x
    x = 56,691,006,852.72/355,653.20
  6. Step 6: Final answer
    x = 159,399.68

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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.