Home / 154,038.42-231,055.80-48,858.30

Finding the Fourth Proportional to 154,038.42, 231,055.80 and 48,858.30

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Solution

The fourth proportional to 154,038.42, 231,055.80 and 48,858.30 is: 73,286.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,038.42 : 231,055.80 = 48,858.30 : x
  2. Step 2: Convert to fraction form
    154,038.42/231,055.80 = 48,858.30/x
  3. Step 3: Cross multiply
    154,038.42x = 231,055.80 × 48,858.30
  4. Step 4: Simplify right side
    154,038.42x = 11,288,993,593.14
  5. Step 5: Solve for x
    x = 11,288,993,593.14/154,038.42
  6. Step 6: Final answer
    x = 73,286.87

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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.