Home / 207,847.35-311,632.59-74,710.31

Finding the Fourth Proportional to 207,847.35, 311,632.59 and 74,710.31

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Solution

The fourth proportional to 207,847.35, 311,632.59 and 74,710.31 is: 112,015.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,847.35 : 311,632.59 = 74,710.31 : x
  2. Step 2: Convert to fraction form
    207,847.35/311,632.59 = 74,710.31/x
  3. Step 3: Cross multiply
    207,847.35x = 311,632.59 × 74,710.31
  4. Step 4: Simplify right side
    207,847.35x = 23,282,166,735.30
  5. Step 5: Solve for x
    x = 23,282,166,735.30/207,847.35
  6. Step 6: Final answer
    x = 112,015.70

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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.