Home / 186,027.12-256,716.84-101,144.40

Finding the Fourth Proportional to 186,027.12, 256,716.84 and 101,144.40

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Solution

The fourth proportional to 186,027.12, 256,716.84 and 101,144.40 is: 139,578.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,027.12 : 256,716.84 = 101,144.40 : x
  2. Step 2: Convert to fraction form
    186,027.12/256,716.84 = 101,144.40/x
  3. Step 3: Cross multiply
    186,027.12x = 256,716.84 × 101,144.40
  4. Step 4: Simplify right side
    186,027.12x = 25,965,470,751.70
  5. Step 5: Solve for x
    x = 25,965,470,751.70/186,027.12
  6. Step 6: Final answer
    x = 139,578.95

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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.