Home / 225,977.32-312,261.34-164,616.72

Finding the Fourth Proportional to 225,977.32, 312,261.34 and 164,616.72

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Solution

The fourth proportional to 225,977.32, 312,261.34 and 164,616.72 is: 227,471.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,977.32 : 312,261.34 = 164,616.72 : x
  2. Step 2: Convert to fraction form
    225,977.32/312,261.34 = 164,616.72/x
  3. Step 3: Cross multiply
    225,977.32x = 312,261.34 × 164,616.72
  4. Step 4: Simplify right side
    225,977.32x = 51,403,437,573.60
  5. Step 5: Solve for x
    x = 51,403,437,573.60/225,977.32
  6. Step 6: Final answer
    x = 227,471.67

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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.