Home / 154,185.81-231,303.63-47,544.86

Finding the Fourth Proportional to 154,185.81, 231,303.63 and 47,544.86

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Solution

The fourth proportional to 154,185.81, 231,303.63 and 47,544.86 is: 71,324.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,185.81 : 231,303.63 = 47,544.86 : x
  2. Step 2: Convert to fraction form
    154,185.81/231,303.63 = 47,544.86/x
  3. Step 3: Cross multiply
    154,185.81x = 231,303.63 × 47,544.86
  4. Step 4: Simplify right side
    154,185.81x = 10,997,297,549.32
  5. Step 5: Solve for x
    x = 10,997,297,549.32/154,185.81
  6. Step 6: Final answer
    x = 71,324.97

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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.