Home / 225,982.32-312,268.24-164,621.72

Finding the Fourth Proportional to 225,982.32, 312,268.24 and 164,621.72

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Solution

The fourth proportional to 225,982.32, 312,268.24 and 164,621.72 is: 227,478.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,982.32 : 312,268.24 = 164,621.72 : x
  2. Step 2: Convert to fraction form
    225,982.32/312,268.24 = 164,621.72/x
  3. Step 3: Cross multiply
    225,982.32x = 312,268.24 × 164,621.72
  4. Step 4: Simplify right side
    225,982.32x = 51,406,134,770.17
  5. Step 5: Solve for x
    x = 51,406,134,770.17/225,982.32
  6. Step 6: Final answer
    x = 227,478.57

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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.