Home / 115,523.40-173,285.10-98,610.60

Finding the Fourth Proportional to 115,523.40, 173,285.10 and 98,610.60

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Solution

The fourth proportional to 115,523.40, 173,285.10 and 98,610.60 is: 147,915.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,523.40 : 173,285.10 = 98,610.60 : x
  2. Step 2: Convert to fraction form
    115,523.40/173,285.10 = 98,610.60/x
  3. Step 3: Cross multiply
    115,523.40x = 173,285.10 × 98,610.60
  4. Step 4: Simplify right side
    115,523.40x = 17,087,747,682.06
  5. Step 5: Solve for x
    x = 17,087,747,682.06/115,523.40
  6. Step 6: Final answer
    x = 147,915.90

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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.