Home / 109,082.57-163,640.25-34,186.05

Finding the Fourth Proportional to 109,082.57, 163,640.25 and 34,186.05

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Solution

The fourth proportional to 109,082.57, 163,640.25 and 34,186.05 is: 51,284.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,082.57 : 163,640.25 = 34,186.05 : x
  2. Step 2: Convert to fraction form
    109,082.57/163,640.25 = 34,186.05/x
  3. Step 3: Cross multiply
    109,082.57x = 163,640.25 × 34,186.05
  4. Step 4: Simplify right side
    109,082.57x = 5,594,213,768.51
  5. Step 5: Solve for x
    x = 5,594,213,768.51/109,082.57
  6. Step 6: Final answer
    x = 51,284.22

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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.