Home / 185,289.27-255,605.27-117,191.57

Finding the Fourth Proportional to 185,289.27, 255,605.27 and 117,191.57

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Solution

The fourth proportional to 185,289.27, 255,605.27 and 117,191.57 is: 161,664.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,289.27 : 255,605.27 = 117,191.57 : x
  2. Step 2: Convert to fraction form
    185,289.27/255,605.27 = 117,191.57/x
  3. Step 3: Cross multiply
    185,289.27x = 255,605.27 × 117,191.57
  4. Step 4: Simplify right side
    185,289.27x = 29,954,781,027.59
  5. Step 5: Solve for x
    x = 29,954,781,027.59/185,289.27
  6. Step 6: Final answer
    x = 161,664.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.