Home / 154,618.32-231,956.64-49,409.04

Finding the Fourth Proportional to 154,618.32, 231,956.64 and 49,409.04

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Solution

The fourth proportional to 154,618.32, 231,956.64 and 49,409.04 is: 74,122.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,618.32 : 231,956.64 = 49,409.04 : x
  2. Step 2: Convert to fraction form
    154,618.32/231,956.64 = 49,409.04/x
  3. Step 3: Cross multiply
    154,618.32x = 231,956.64 × 49,409.04
  4. Step 4: Simplify right side
    154,618.32x = 11,460,754,904.03
  5. Step 5: Solve for x
    x = 11,460,754,904.03/154,618.32
  6. Step 6: Final answer
    x = 74,122.88

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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.