Home / 154,589.06-231,416.75-139,804.94

Finding the Fourth Proportional to 154,589.06, 231,416.75 and 139,804.94

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Solution

The fourth proportional to 154,589.06, 231,416.75 and 139,804.94 is: 209,285.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,589.06 : 231,416.75 = 139,804.94 : x
  2. Step 2: Convert to fraction form
    154,589.06/231,416.75 = 139,804.94/x
  3. Step 3: Cross multiply
    154,589.06x = 231,416.75 × 139,804.94
  4. Step 4: Simplify right side
    154,589.06x = 32,353,202,992.64
  5. Step 5: Solve for x
    x = 32,353,202,992.64/154,589.06
  6. Step 6: Final answer
    x = 209,285.21

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1.5x scale

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.