Home / 186,922.69-257,953.20-102,039.73

Finding the Fourth Proportional to 186,922.69, 257,953.20 and 102,039.73

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Solution

The fourth proportional to 186,922.69, 257,953.20 and 102,039.73 is: 140,814.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,922.69 : 257,953.20 = 102,039.73 : x
  2. Step 2: Convert to fraction form
    186,922.69/257,953.20 = 102,039.73/x
  3. Step 3: Cross multiply
    186,922.69x = 257,953.20 × 102,039.73
  4. Step 4: Simplify right side
    186,922.69x = 26,321,474,880.64
  5. Step 5: Solve for x
    x = 26,321,474,880.64/186,922.69
  6. Step 6: Final answer
    x = 140,814.77

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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.