Home / 218,453.05-327,527.28-96,807.35

Finding the Fourth Proportional to 218,453.05, 327,527.28 and 96,807.35

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Solution

The fourth proportional to 218,453.05, 327,527.28 and 96,807.35 is: 145,143.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,453.05 : 327,527.28 = 96,807.35 : x
  2. Step 2: Convert to fraction form
    218,453.05/327,527.28 = 96,807.35/x
  3. Step 3: Cross multiply
    218,453.05x = 327,527.28 × 96,807.35
  4. Step 4: Simplify right side
    218,453.05x = 31,707,047,184.10
  5. Step 5: Solve for x
    x = 31,707,047,184.10/218,453.05
  6. Step 6: Final answer
    x = 145,143.53

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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.