Home / 186,844.75-280,264.49-86,949.07

Finding the Fourth Proportional to 186,844.75, 280,264.49 and 86,949.07

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Solution

The fourth proportional to 186,844.75, 280,264.49 and 86,949.07 is: 130,422.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,844.75 : 280,264.49 = 86,949.07 : x
  2. Step 2: Convert to fraction form
    186,844.75/280,264.49 = 86,949.07/x
  3. Step 3: Cross multiply
    186,844.75x = 280,264.49 × 86,949.07
  4. Step 4: Simplify right side
    186,844.75x = 24,368,736,759.52
  5. Step 5: Solve for x
    x = 24,368,736,759.52/186,844.75
  6. Step 6: Final answer
    x = 130,422.38

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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.