Home / 218,316.24-327,485.88-70,583.76

Finding the Fourth Proportional to 218,316.24, 327,485.88 and 70,583.76

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Solution

The fourth proportional to 218,316.24, 327,485.88 and 70,583.76 is: 105,879.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,316.24 : 327,485.88 = 70,583.76 : x
  2. Step 2: Convert to fraction form
    218,316.24/327,485.88 = 70,583.76/x
  3. Step 3: Cross multiply
    218,316.24x = 327,485.88 × 70,583.76
  4. Step 4: Simplify right side
    218,316.24x = 23,115,184,757.31
  5. Step 5: Solve for x
    x = 23,115,184,757.31/218,316.24
  6. Step 6: Final answer
    x = 105,879.36

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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.