Home / 136,799.03-188,785.83-85,813.91

Finding the Fourth Proportional to 136,799.03, 188,785.83 and 85,813.91

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Solution

The fourth proportional to 136,799.03, 188,785.83 and 85,813.91 is: 118,425.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,799.03 : 188,785.83 = 85,813.91 : x
  2. Step 2: Convert to fraction form
    136,799.03/188,785.83 = 85,813.91/x
  3. Step 3: Cross multiply
    136,799.03x = 188,785.83 × 85,813.91
  4. Step 4: Simplify right side
    136,799.03x = 16,200,450,224.90
  5. Step 5: Solve for x
    x = 16,200,450,224.90/136,799.03
  6. Step 6: Final answer
    x = 118,425.18

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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.