Home / 187,912.69-281,825.89-112,032.70

Finding the Fourth Proportional to 187,912.69, 281,825.89 and 112,032.70

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Solution

The fourth proportional to 187,912.69, 281,825.89 and 112,032.70 is: 168,023.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,912.69 : 281,825.89 = 112,032.70 : x
  2. Step 2: Convert to fraction form
    187,912.69/281,825.89 = 112,032.70/x
  3. Step 3: Cross multiply
    187,912.69x = 281,825.89 × 112,032.70
  4. Step 4: Simplify right side
    187,912.69x = 31,573,715,386.60
  5. Step 5: Solve for x
    x = 31,573,715,386.60/187,912.69
  6. Step 6: Final answer
    x = 168,023.33

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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.