Home / 206,168.77-309,261.33-98,072.18

Finding the Fourth Proportional to 206,168.77, 309,261.33 and 98,072.18

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Solution

The fourth proportional to 206,168.77, 309,261.33 and 98,072.18 is: 147,112.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,168.77 : 309,261.33 = 98,072.18 : x
  2. Step 2: Convert to fraction form
    206,168.77/309,261.33 = 98,072.18/x
  3. Step 3: Cross multiply
    206,168.77x = 309,261.33 × 98,072.18
  4. Step 4: Simplify right side
    206,168.77x = 30,329,931,276.49
  5. Step 5: Solve for x
    x = 30,329,931,276.49/206,168.77
  6. Step 6: Final answer
    x = 147,112.15

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1.5x scale

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.