Home / 225,396.01-311,071.33-143,727.27

Finding the Fourth Proportional to 225,396.01, 311,071.33 and 143,727.27

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Solution

The fourth proportional to 225,396.01, 311,071.33 and 143,727.27 is: 198,359.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,396.01 : 311,071.33 = 143,727.27 : x
  2. Step 2: Convert to fraction form
    225,396.01/311,071.33 = 143,727.27/x
  3. Step 3: Cross multiply
    225,396.01x = 311,071.33 × 143,727.27
  4. Step 4: Simplify right side
    225,396.01x = 44,709,433,036.17
  5. Step 5: Solve for x
    x = 44,709,433,036.17/225,396.01
  6. Step 6: Final answer
    x = 198,359.47

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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.