Home / 225,586.36-311,300.03-134,888.84

Finding the Fourth Proportional to 225,586.36, 311,300.03 and 134,888.84

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Solution

The fourth proportional to 225,586.36, 311,300.03 and 134,888.84 is: 186,141.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,586.36 : 311,300.03 = 134,888.84 : x
  2. Step 2: Convert to fraction form
    225,586.36/311,300.03 = 134,888.84/x
  3. Step 3: Cross multiply
    225,586.36x = 311,300.03 × 134,888.84
  4. Step 4: Simplify right side
    225,586.36x = 41,990,898,719.39
  5. Step 5: Solve for x
    x = 41,990,898,719.39/225,586.36
  6. Step 6: Final answer
    x = 186,141.13

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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.