Home / 154,315.95-231,433.41-65,523.75

Finding the Fourth Proportional to 154,315.95, 231,433.41 and 65,523.75

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Solution

The fourth proportional to 154,315.95, 231,433.41 and 65,523.75 is: 98,268.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,315.95 : 231,433.41 = 65,523.75 : x
  2. Step 2: Convert to fraction form
    154,315.95/231,433.41 = 65,523.75/x
  3. Step 3: Cross multiply
    154,315.95x = 231,433.41 × 65,523.75
  4. Step 4: Simplify right side
    154,315.95x = 15,164,384,898.49
  5. Step 5: Solve for x
    x = 15,164,384,898.49/154,315.95
  6. Step 6: Final answer
    x = 98,268.42

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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.