Home / 154,287.18-231,435.88-53,084.26

Finding the Fourth Proportional to 154,287.18, 231,435.88 and 53,084.26

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Solution

The fourth proportional to 154,287.18, 231,435.88 and 53,084.26 is: 79,628.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,287.18 : 231,435.88 = 53,084.26 : x
  2. Step 2: Convert to fraction form
    154,287.18/231,435.88 = 53,084.26/x
  3. Step 3: Cross multiply
    154,287.18x = 231,435.88 × 53,084.26
  4. Step 4: Simplify right side
    154,287.18x = 12,285,601,004.65
  5. Step 5: Solve for x
    x = 12,285,601,004.65/154,287.18
  6. Step 6: Final answer
    x = 79,628.14

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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.