Home / 207,986.70-311,980.05-183,492.30

Finding the Fourth Proportional to 207,986.70, 311,980.05 and 183,492.30

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Solution

The fourth proportional to 207,986.70, 311,980.05 and 183,492.30 is: 275,238.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,986.70 : 311,980.05 = 183,492.30 : x
  2. Step 2: Convert to fraction form
    207,986.70/311,980.05 = 183,492.30/x
  3. Step 3: Cross multiply
    207,986.70x = 311,980.05 × 183,492.30
  4. Step 4: Simplify right side
    207,986.70x = 57,245,936,928.62
  5. Step 5: Solve for x
    x = 57,245,936,928.62/207,986.70
  6. Step 6: Final answer
    x = 275,238.45

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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.