Home / 186,727-257,898.22-135,966.68

Finding the Fourth Proportional to 186,727, 257,898.22 and 135,966.68

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Solution

The fourth proportional to 186,727, 257,898.22 and 135,966.68 is: 187,790.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,727 : 257,898.22 = 135,966.68 : x
  2. Step 2: Convert to fraction form
    186,727/257,898.22 = 135,966.68/x
  3. Step 3: Cross multiply
    186,727x = 257,898.22 × 135,966.68
  4. Step 4: Simplify right side
    186,727x = 35,065,564,751.31
  5. Step 5: Solve for x
    x = 35,065,564,751.31/186,727
  6. Step 6: Final answer
    x = 187,790.54

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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.