Home / 303,582.20-455,648.70-153,926.60

Finding the Fourth Proportional to 303,582.20, 455,648.70 and 153,926.60

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Solution

The fourth proportional to 303,582.20, 455,648.70 and 153,926.60 is: 231,029.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,582.20 : 455,648.70 = 153,926.60 : x
  2. Step 2: Convert to fraction form
    303,582.20/455,648.70 = 153,926.60/x
  3. Step 3: Cross multiply
    303,582.20x = 455,648.70 × 153,926.60
  4. Step 4: Simplify right side
    303,582.20x = 70,136,455,185.42
  5. Step 5: Solve for x
    x = 70,136,455,185.42/303,582.20
  6. Step 6: Final answer
    x = 231,029.54

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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.