Home / 291,378.24-436,886.46-122,811.84

Finding the Fourth Proportional to 291,378.24, 436,886.46 and 122,811.84

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Solution

The fourth proportional to 291,378.24, 436,886.46 and 122,811.84 is: 184,141.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,378.24 : 436,886.46 = 122,811.84 : x
  2. Step 2: Convert to fraction form
    291,378.24/436,886.46 = 122,811.84/x
  3. Step 3: Cross multiply
    291,378.24x = 436,886.46 × 122,811.84
  4. Step 4: Simplify right side
    291,378.24x = 53,654,830,023.69
  5. Step 5: Solve for x
    x = 53,654,830,023.69/291,378.24
  6. Step 6: Final answer
    x = 184,141.51

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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.