Home / 330,140.96-456,021.89-273,011.04

Finding the Fourth Proportional to 330,140.96, 456,021.89 and 273,011.04

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Solution

The fourth proportional to 330,140.96, 456,021.89 and 273,011.04 is: 377,108.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,140.96 : 456,021.89 = 273,011.04 : x
  2. Step 2: Convert to fraction form
    330,140.96/456,021.89 = 273,011.04/x
  3. Step 3: Cross multiply
    330,140.96x = 456,021.89 × 273,011.04
  4. Step 4: Simplify right side
    330,140.96x = 124,499,009,086.61
  5. Step 5: Solve for x
    x = 124,499,009,086.61/330,140.96
  6. Step 6: Final answer
    x = 377,108.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.