Home / 185,105.71-277,601.08-66,761.67

Finding the Fourth Proportional to 185,105.71, 277,601.08 and 66,761.67

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Solution

The fourth proportional to 185,105.71, 277,601.08 and 66,761.67 is: 100,121.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,105.71 : 277,601.08 = 66,761.67 : x
  2. Step 2: Convert to fraction form
    185,105.71/277,601.08 = 66,761.67/x
  3. Step 3: Cross multiply
    185,105.71x = 277,601.08 × 66,761.67
  4. Step 4: Simplify right side
    185,105.71x = 18,533,111,694.60
  5. Step 5: Solve for x
    x = 18,533,111,694.60/185,105.71
  6. Step 6: Final answer
    x = 100,121.77

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1.5x scale

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.