Home / 186,942.94-257,971.48-102,043.60

Finding the Fourth Proportional to 186,942.94, 257,971.48 and 102,043.60

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Solution

The fourth proportional to 186,942.94, 257,971.48 and 102,043.60 is: 140,814.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,942.94 : 257,971.48 = 102,043.60 : x
  2. Step 2: Convert to fraction form
    186,942.94/257,971.48 = 102,043.60/x
  3. Step 3: Cross multiply
    186,942.94x = 257,971.48 × 102,043.60
  4. Step 4: Simplify right side
    186,942.94x = 26,324,338,516.53
  5. Step 5: Solve for x
    x = 26,324,338,516.53/186,942.94
  6. Step 6: Final answer
    x = 140,814.83

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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.