Home / 154,438.62-231,660.21-60,943.50

Finding the Fourth Proportional to 154,438.62, 231,660.21 and 60,943.50

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Solution

The fourth proportional to 154,438.62, 231,660.21 and 60,943.50 is: 91,416.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,438.62 : 231,660.21 = 60,943.50 : x
  2. Step 2: Convert to fraction form
    154,438.62/231,660.21 = 60,943.50/x
  3. Step 3: Cross multiply
    154,438.62x = 231,660.21 × 60,943.50
  4. Step 4: Simplify right side
    154,438.62x = 14,118,184,008.14
  5. Step 5: Solve for x
    x = 14,118,184,008.14/154,438.62
  6. Step 6: Final answer
    x = 91,416.15

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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.