Home / 173,150.40-259,725.60-67,915.20

Finding the Fourth Proportional to 173,150.40, 259,725.60 and 67,915.20

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Solution

The fourth proportional to 173,150.40, 259,725.60 and 67,915.20 is: 101,872.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,150.40 : 259,725.60 = 67,915.20 : x
  2. Step 2: Convert to fraction form
    173,150.40/259,725.60 = 67,915.20/x
  3. Step 3: Cross multiply
    173,150.40x = 259,725.60 × 67,915.20
  4. Step 4: Simplify right side
    173,150.40x = 17,639,316,069.12
  5. Step 5: Solve for x
    x = 17,639,316,069.12/173,150.40
  6. Step 6: Final answer
    x = 101,872.80

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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.