Home / 186,771.63-257,374.94-132,905.73

Finding the Fourth Proportional to 186,771.63, 257,374.94 and 132,905.73

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Solution

The fourth proportional to 186,771.63, 257,374.94 and 132,905.73 is: 183,146.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,771.63 : 257,374.94 = 132,905.73 : x
  2. Step 2: Convert to fraction form
    186,771.63/257,374.94 = 132,905.73/x
  3. Step 3: Cross multiply
    186,771.63x = 257,374.94 × 132,905.73
  4. Step 4: Simplify right side
    186,771.63x = 34,206,603,619.88
  5. Step 5: Solve for x
    x = 34,206,603,619.88/186,771.63
  6. Step 6: Final answer
    x = 183,146.68

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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.