Home / 218,399.32-327,562.53-60,643.72

Finding the Fourth Proportional to 218,399.32, 327,562.53 and 60,643.72

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Solution

The fourth proportional to 218,399.32, 327,562.53 and 60,643.72 is: 90,955.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,399.32 : 327,562.53 = 60,643.72 : x
  2. Step 2: Convert to fraction form
    218,399.32/327,562.53 = 60,643.72/x
  3. Step 3: Cross multiply
    218,399.32x = 327,562.53 × 60,643.72
  4. Step 4: Simplify right side
    218,399.32x = 19,864,610,351.81
  5. Step 5: Solve for x
    x = 19,864,610,351.81/218,399.32
  6. Step 6: Final answer
    x = 90,955.46

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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.