Home / 221,931.59-332,667.75-109,461.47

Finding the Fourth Proportional to 221,931.59, 332,667.75 and 109,461.47

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Solution

The fourth proportional to 221,931.59, 332,667.75 and 109,461.47 is: 164,078.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,931.59 : 332,667.75 = 109,461.47 : x
  2. Step 2: Convert to fraction form
    221,931.59/332,667.75 = 109,461.47/x
  3. Step 3: Cross multiply
    221,931.59x = 332,667.75 × 109,461.47
  4. Step 4: Simplify right side
    221,931.59x = 36,414,300,936.59
  5. Step 5: Solve for x
    x = 36,414,300,936.59/221,931.59
  6. Step 6: Final answer
    x = 164,078.94

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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.