Home / 154,352.32-231,915.93-98,216.80

Finding the Fourth Proportional to 154,352.32, 231,915.93 and 98,216.80

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Solution

The fourth proportional to 154,352.32, 231,915.93 and 98,216.80 is: 147,571.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,352.32 : 231,915.93 = 98,216.80 : x
  2. Step 2: Convert to fraction form
    154,352.32/231,915.93 = 98,216.80/x
  3. Step 3: Cross multiply
    154,352.32x = 231,915.93 × 98,216.80
  4. Step 4: Simplify right side
    154,352.32x = 22,778,040,513.62
  5. Step 5: Solve for x
    x = 22,778,040,513.62/154,352.32
  6. Step 6: Final answer
    x = 147,571.74

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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.