Home / 482,120.16-723,315.64-178,509.75

Finding the Fourth Proportional to 482,120.16, 723,315.64 and 178,509.75

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Solution

The fourth proportional to 482,120.16, 723,315.64 and 178,509.75 is: 267,814.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,120.16 : 723,315.64 = 178,509.75 : x
  2. Step 2: Convert to fraction form
    482,120.16/723,315.64 = 178,509.75/x
  3. Step 3: Cross multiply
    482,120.16x = 723,315.64 × 178,509.75
  4. Step 4: Simplify right side
    482,120.16x = 129,118,894,067.49
  5. Step 5: Solve for x
    x = 129,118,894,067.49/482,120.16
  6. Step 6: Final answer
    x = 267,814.76

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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.