Home / 154,448.96-231,431.52-123,275.84

Finding the Fourth Proportional to 154,448.96, 231,431.52 and 123,275.84

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Solution

The fourth proportional to 154,448.96, 231,431.52 and 123,275.84 is: 184,720.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,448.96 : 231,431.52 = 123,275.84 : x
  2. Step 2: Convert to fraction form
    154,448.96/231,431.52 = 123,275.84/x
  3. Step 3: Cross multiply
    154,448.96x = 231,431.52 × 123,275.84
  4. Step 4: Simplify right side
    154,448.96x = 28,529,915,030.48
  5. Step 5: Solve for x
    x = 28,529,915,030.48/154,448.96
  6. Step 6: Final answer
    x = 184,720.67

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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.