Home / 216,535.08-324,719.40-74,353.92

Finding the Fourth Proportional to 216,535.08, 324,719.40 and 74,353.92

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Solution

The fourth proportional to 216,535.08, 324,719.40 and 74,353.92 is: 111,502.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,535.08 : 324,719.40 = 74,353.92 : x
  2. Step 2: Convert to fraction form
    216,535.08/324,719.40 = 74,353.92/x
  3. Step 3: Cross multiply
    216,535.08x = 324,719.40 × 74,353.92
  4. Step 4: Simplify right side
    216,535.08x = 24,144,160,290.05
  5. Step 5: Solve for x
    x = 24,144,160,290.05/216,535.08
  6. Step 6: Final answer
    x = 111,502.30

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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.