Home / 186,908.61-280,075.83-126,859.06

Finding the Fourth Proportional to 186,908.61, 280,075.83 and 126,859.06

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Solution

The fourth proportional to 186,908.61, 280,075.83 and 126,859.06 is: 190,093.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,908.61 : 280,075.83 = 126,859.06 : x
  2. Step 2: Convert to fraction form
    186,908.61/280,075.83 = 126,859.06/x
  3. Step 3: Cross multiply
    186,908.61x = 280,075.83 × 126,859.06
  4. Step 4: Simplify right side
    186,908.61x = 35,530,156,396.89
  5. Step 5: Solve for x
    x = 35,530,156,396.89/186,908.61
  6. Step 6: Final answer
    x = 190,093.73

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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.