Home / 330,932.12-496,447.38-153,457.07

Finding the Fourth Proportional to 330,932.12, 496,447.38 and 153,457.07

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Solution

The fourth proportional to 330,932.12, 496,447.38 and 153,457.07 is: 230,208.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,932.12 : 496,447.38 = 153,457.07 : x
  2. Step 2: Convert to fraction form
    330,932.12/496,447.38 = 153,457.07/x
  3. Step 3: Cross multiply
    330,932.12x = 496,447.38 × 153,457.07
  4. Step 4: Simplify right side
    330,932.12x = 76,183,357,861.74
  5. Step 5: Solve for x
    x = 76,183,357,861.74/330,932.12
  6. Step 6: Final answer
    x = 230,208.42

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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.