Home / 240,112.06-359,917.78-90,249.10

Finding the Fourth Proportional to 240,112.06, 359,917.78 and 90,249.10

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Solution

The fourth proportional to 240,112.06, 359,917.78 and 90,249.10 is: 135,279.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,112.06 : 359,917.78 = 90,249.10 : x
  2. Step 2: Convert to fraction form
    240,112.06/359,917.78 = 90,249.10/x
  3. Step 3: Cross multiply
    240,112.06x = 359,917.78 × 90,249.10
  4. Step 4: Simplify right side
    240,112.06x = 32,482,255,719.00
  5. Step 5: Solve for x
    x = 32,482,255,719.00/240,112.06
  6. Step 6: Final answer
    x = 135,279.57

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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.