Home / 219,667.57-329,527.32-77,483.19

Finding the Fourth Proportional to 219,667.57, 329,527.32 and 77,483.19

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Solution

The fourth proportional to 219,667.57, 329,527.32 and 77,483.19 is: 116,233.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,667.57 : 329,527.32 = 77,483.19 : x
  2. Step 2: Convert to fraction form
    219,667.57/329,527.32 = 77,483.19/x
  3. Step 3: Cross multiply
    219,667.57x = 329,527.32 × 77,483.19
  4. Step 4: Simplify right side
    219,667.57x = 25,532,827,945.75
  5. Step 5: Solve for x
    x = 25,532,827,945.75/219,667.57
  6. Step 6: Final answer
    x = 116,233.94

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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.