Home / 311,923.43-430,564.64-184,598.72

Finding the Fourth Proportional to 311,923.43, 430,564.64 and 184,598.72

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Solution

The fourth proportional to 311,923.43, 430,564.64 and 184,598.72 is: 254,811.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,923.43 : 430,564.64 = 184,598.72 : x
  2. Step 2: Convert to fraction form
    311,923.43/430,564.64 = 184,598.72/x
  3. Step 3: Cross multiply
    311,923.43x = 430,564.64 × 184,598.72
  4. Step 4: Simplify right side
    311,923.43x = 79,481,679,960.06
  5. Step 5: Solve for x
    x = 79,481,679,960.06/311,923.43
  6. Step 6: Final answer
    x = 254,811.51

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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.