Home / 362,409.24-543,399.20-109,613.10

Finding the Fourth Proportional to 362,409.24, 543,399.20 and 109,613.10

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Solution

The fourth proportional to 362,409.24, 543,399.20 and 109,613.10 is: 164,354.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,409.24 : 543,399.20 = 109,613.10 : x
  2. Step 2: Convert to fraction form
    362,409.24/543,399.20 = 109,613.10/x
  3. Step 3: Cross multiply
    362,409.24x = 543,399.20 × 109,613.10
  4. Step 4: Simplify right side
    362,409.24x = 59,563,670,849.52
  5. Step 5: Solve for x
    x = 59,563,670,849.52/362,409.24
  6. Step 6: Final answer
    x = 164,354.72

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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.