Home / 186,972.56-257,891.20-126,516.59

Finding the Fourth Proportional to 186,972.56, 257,891.20 and 126,516.59

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Solution

The fourth proportional to 186,972.56, 257,891.20 and 126,516.59 is: 174,504.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,972.56 : 257,891.20 = 126,516.59 : x
  2. Step 2: Convert to fraction form
    186,972.56/257,891.20 = 126,516.59/x
  3. Step 3: Cross multiply
    186,972.56x = 257,891.20 × 126,516.59
  4. Step 4: Simplify right side
    186,972.56x = 32,627,513,609.26
  5. Step 5: Solve for x
    x = 32,627,513,609.26/186,972.56
  6. Step 6: Final answer
    x = 174,504.29

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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.