Home / 109,943.40-164,915.10-96,810.60

Finding the Fourth Proportional to 109,943.40, 164,915.10 and 96,810.60

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Solution

The fourth proportional to 109,943.40, 164,915.10 and 96,810.60 is: 145,215.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,943.40 : 164,915.10 = 96,810.60 : x
  2. Step 2: Convert to fraction form
    109,943.40/164,915.10 = 96,810.60/x
  3. Step 3: Cross multiply
    109,943.40x = 164,915.10 × 96,810.60
  4. Step 4: Simplify right side
    109,943.40x = 15,965,529,780.06
  5. Step 5: Solve for x
    x = 15,965,529,780.06/109,943.40
  6. Step 6: Final answer
    x = 145,215.90

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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.