Home / 109,927.40-164,891.10-102,554.60

Finding the Fourth Proportional to 109,927.40, 164,891.10 and 102,554.60

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Solution

The fourth proportional to 109,927.40, 164,891.10 and 102,554.60 is: 153,831.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,927.40 : 164,891.10 = 102,554.60 : x
  2. Step 2: Convert to fraction form
    109,927.40/164,891.10 = 102,554.60/x
  3. Step 3: Cross multiply
    109,927.40x = 164,891.10 × 102,554.60
  4. Step 4: Simplify right side
    109,927.40x = 16,910,340,804.06
  5. Step 5: Solve for x
    x = 16,910,340,804.06/109,927.40
  6. Step 6: Final answer
    x = 153,831.90

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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.