Home / 136,509.84-188,393.04-82,797.12

Finding the Fourth Proportional to 136,509.84, 188,393.04 and 82,797.12

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Solution

The fourth proportional to 136,509.84, 188,393.04 and 82,797.12 is: 114,265.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,509.84 : 188,393.04 = 82,797.12 : x
  2. Step 2: Convert to fraction form
    136,509.84/188,393.04 = 82,797.12/x
  3. Step 3: Cross multiply
    136,509.84x = 188,393.04 × 82,797.12
  4. Step 4: Simplify right side
    136,509.84x = 15,598,401,140.04
  5. Step 5: Solve for x
    x = 15,598,401,140.04/136,509.84
  6. Step 6: Final answer
    x = 114,265.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.