Home / 186,328.41-257,120.24-105,757.58

Finding the Fourth Proportional to 186,328.41, 257,120.24 and 105,757.58

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Solution

The fourth proportional to 186,328.41, 257,120.24 and 105,757.58 is: 145,938.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,328.41 : 257,120.24 = 105,757.58 : x
  2. Step 2: Convert to fraction form
    186,328.41/257,120.24 = 105,757.58/x
  3. Step 3: Cross multiply
    186,328.41x = 257,120.24 × 105,757.58
  4. Step 4: Simplify right side
    186,328.41x = 27,192,412,537.03
  5. Step 5: Solve for x
    x = 27,192,412,537.03/186,328.41
  6. Step 6: Final answer
    x = 145,938.09

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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.