Home / 186,513.41-257,380.46-105,940.69

Finding the Fourth Proportional to 186,513.41, 257,380.46 and 105,940.69

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Solution

The fourth proportional to 186,513.41, 257,380.46 and 105,940.69 is: 146,193.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,513.41 : 257,380.46 = 105,940.69 : x
  2. Step 2: Convert to fraction form
    186,513.41/257,380.46 = 105,940.69/x
  3. Step 3: Cross multiply
    186,513.41x = 257,380.46 × 105,940.69
  4. Step 4: Simplify right side
    186,513.41x = 27,267,062,238.02
  5. Step 5: Solve for x
    x = 27,267,062,238.02/186,513.41
  6. Step 6: Final answer
    x = 146,193.58

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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.