Home / 103,247.82-154,853.23-65,696.34

Finding the Fourth Proportional to 103,247.82, 154,853.23 and 65,696.34

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Solution

The fourth proportional to 103,247.82, 154,853.23 and 65,696.34 is: 98,532.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,247.82 : 154,853.23 = 65,696.34 : x
  2. Step 2: Convert to fraction form
    103,247.82/154,853.23 = 65,696.34/x
  3. Step 3: Cross multiply
    103,247.82x = 154,853.23 × 65,696.34
  4. Step 4: Simplify right side
    103,247.82x = 10,173,290,448.18
  5. Step 5: Solve for x
    x = 10,173,290,448.18/103,247.82
  6. Step 6: Final answer
    x = 98,532.74

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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.