Home / 154,409.94-231,624.09-59,640.84

Finding the Fourth Proportional to 154,409.94, 231,624.09 and 59,640.84

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Solution

The fourth proportional to 154,409.94, 231,624.09 and 59,640.84 is: 89,464.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,409.94 : 231,624.09 = 59,640.84 : x
  2. Step 2: Convert to fraction form
    154,409.94/231,624.09 = 59,640.84/x
  3. Step 3: Cross multiply
    154,409.94x = 231,624.09 × 59,640.84
  4. Step 4: Simplify right side
    154,409.94x = 13,814,255,291.84
  5. Step 5: Solve for x
    x = 13,814,255,291.84/154,409.94
  6. Step 6: Final answer
    x = 89,464.81

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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.