Home / 330,836.80-496,514.40-153,365.80

Finding the Fourth Proportional to 330,836.80, 496,514.40 and 153,365.80

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Solution

The fourth proportional to 330,836.80, 496,514.40 and 153,365.80 is: 230,168.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,836.80 : 496,514.40 = 153,365.80 : x
  2. Step 2: Convert to fraction form
    330,836.80/496,514.40 = 153,365.80/x
  3. Step 3: Cross multiply
    330,836.80x = 496,514.40 × 153,365.80
  4. Step 4: Simplify right side
    330,836.80x = 76,148,328,167.52
  5. Step 5: Solve for x
    x = 76,148,328,167.52/330,836.80
  6. Step 6: Final answer
    x = 230,168.86

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1.5x scale

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.