Home / 216,581.93-324,928.26-83,426.44

Finding the Fourth Proportional to 216,581.93, 324,928.26 and 83,426.44

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Solution

The fourth proportional to 216,581.93, 324,928.26 and 83,426.44 is: 125,160.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,581.93 : 324,928.26 = 83,426.44 : x
  2. Step 2: Convert to fraction form
    216,581.93/324,928.26 = 83,426.44/x
  3. Step 3: Cross multiply
    216,581.93x = 324,928.26 × 83,426.44
  4. Step 4: Simplify right side
    216,581.93x = 27,107,607,784.11
  5. Step 5: Solve for x
    x = 27,107,607,784.11/216,581.93
  6. Step 6: Final answer
    x = 125,160.98

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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.