Home / 154,216.23-231,325.98-54,357.81

Finding the Fourth Proportional to 154,216.23, 231,325.98 and 54,357.81

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Solution

The fourth proportional to 154,216.23, 231,325.98 and 54,357.81 is: 81,537.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,216.23 : 231,325.98 = 54,357.81 : x
  2. Step 2: Convert to fraction form
    154,216.23/231,325.98 = 54,357.81/x
  3. Step 3: Cross multiply
    154,216.23x = 231,325.98 × 54,357.81
  4. Step 4: Simplify right side
    154,216.23x = 12,574,373,668.90
  5. Step 5: Solve for x
    x = 12,574,373,668.90/154,216.23
  6. Step 6: Final answer
    x = 81,537.29

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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.