Home / 225,587.36-311,301.41-134,889.84

Finding the Fourth Proportional to 225,587.36, 311,301.41 and 134,889.84

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Solution

The fourth proportional to 225,587.36, 311,301.41 and 134,889.84 is: 186,142.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,587.36 : 311,301.41 = 134,889.84 : x
  2. Step 2: Convert to fraction form
    225,587.36/311,301.41 = 134,889.84/x
  3. Step 3: Cross multiply
    225,587.36x = 311,301.41 × 134,889.84
  4. Step 4: Simplify right side
    225,587.36x = 41,991,397,386.67
  5. Step 5: Solve for x
    x = 41,991,397,386.67/225,587.36
  6. Step 6: Final answer
    x = 186,142.51

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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.