Home / 225,743.86-311,566.20-171,475.75

Finding the Fourth Proportional to 225,743.86, 311,566.20 and 171,475.75

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Solution

The fourth proportional to 225,743.86, 311,566.20 and 171,475.75 is: 236,666.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,743.86 : 311,566.20 = 171,475.75 : x
  2. Step 2: Convert to fraction form
    225,743.86/311,566.20 = 171,475.75/x
  3. Step 3: Cross multiply
    225,743.86x = 311,566.20 × 171,475.75
  4. Step 4: Simplify right side
    225,743.86x = 53,426,046,261.82
  5. Step 5: Solve for x
    x = 53,426,046,261.82/225,743.86
  6. Step 6: Final answer
    x = 236,666.67

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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.