Home / 218,161.32-327,205.53-60,405.72

Finding the Fourth Proportional to 218,161.32, 327,205.53 and 60,405.72

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Solution

The fourth proportional to 218,161.32, 327,205.53 and 60,405.72 is: 90,598.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,161.32 : 327,205.53 = 60,405.72 : x
  2. Step 2: Convert to fraction form
    218,161.32/327,205.53 = 60,405.72/x
  3. Step 3: Cross multiply
    218,161.32x = 327,205.53 × 60,405.72
  4. Step 4: Simplify right side
    218,161.32x = 19,765,085,627.63
  5. Step 5: Solve for x
    x = 19,765,085,627.63/218,161.32
  6. Step 6: Final answer
    x = 90,598.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.