Home / 225,519.27-311,216.57-134,875.23

Finding the Fourth Proportional to 225,519.27, 311,216.57 and 134,875.23

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Solution

The fourth proportional to 225,519.27, 311,216.57 and 134,875.23 is: 186,127.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,519.27 : 311,216.57 = 134,875.23 : x
  2. Step 2: Convert to fraction form
    225,519.27/311,216.57 = 134,875.23/x
  3. Step 3: Cross multiply
    225,519.27x = 311,216.57 × 134,875.23
  4. Step 4: Simplify right side
    225,519.27x = 41,975,405,343.33
  5. Step 5: Solve for x
    x = 41,975,405,343.33/225,519.27
  6. Step 6: Final answer
    x = 186,127.80

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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.