Home / 154,300.76-231,449.46-117,089.36

Finding the Fourth Proportional to 154,300.76, 231,449.46 and 117,089.36

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Solution

The fourth proportional to 154,300.76, 231,449.46 and 117,089.36 is: 175,632.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,300.76 : 231,449.46 = 117,089.36 : x
  2. Step 2: Convert to fraction form
    154,300.76/231,449.46 = 117,089.36/x
  3. Step 3: Cross multiply
    154,300.76x = 231,449.46 × 117,089.36
  4. Step 4: Simplify right side
    154,300.76x = 27,100,269,143.75
  5. Step 5: Solve for x
    x = 27,100,269,143.75/154,300.76
  6. Step 6: Final answer
    x = 175,632.77

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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.