Home / 118,334.36-177,211.56-76,081.52

Finding the Fourth Proportional to 118,334.36, 177,211.56 and 76,081.52

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Solution

The fourth proportional to 118,334.36, 177,211.56 and 76,081.52 is: 113,935.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,334.36 : 177,211.56 = 76,081.52 : x
  2. Step 2: Convert to fraction form
    118,334.36/177,211.56 = 76,081.52/x
  3. Step 3: Cross multiply
    118,334.36x = 177,211.56 × 76,081.52
  4. Step 4: Simplify right side
    118,334.36x = 13,482,524,846.37
  5. Step 5: Solve for x
    x = 13,482,524,846.37/118,334.36
  6. Step 6: Final answer
    x = 113,935.84

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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.