Home / 154,408.80-231,585.12-46,315.92

Finding the Fourth Proportional to 154,408.80, 231,585.12 and 46,315.92

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Solution

The fourth proportional to 154,408.80, 231,585.12 and 46,315.92 is: 69,465.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,408.80 : 231,585.12 = 46,315.92 : x
  2. Step 2: Convert to fraction form
    154,408.80/231,585.12 = 46,315.92/x
  3. Step 3: Cross multiply
    154,408.80x = 231,585.12 × 46,315.92
  4. Step 4: Simplify right side
    154,408.80x = 10,726,077,891.11
  5. Step 5: Solve for x
    x = 10,726,077,891.11/154,408.80
  6. Step 6: Final answer
    x = 69,465.46

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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.