Home / 133,258.73-183,879.27-85,576.66

Finding the Fourth Proportional to 133,258.73, 183,879.27 and 85,576.66

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Solution

The fourth proportional to 133,258.73, 183,879.27 and 85,576.66 is: 118,084.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,258.73 : 183,879.27 = 85,576.66 : x
  2. Step 2: Convert to fraction form
    133,258.73/183,879.27 = 85,576.66/x
  3. Step 3: Cross multiply
    133,258.73x = 183,879.27 × 85,576.66
  4. Step 4: Simplify right side
    133,258.73x = 15,735,773,310.14
  5. Step 5: Solve for x
    x = 15,735,773,310.14/133,258.73
  6. Step 6: Final answer
    x = 118,084.38

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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.