Home / 186,135.45-256,865.49-101,252.58

Finding the Fourth Proportional to 186,135.45, 256,865.49 and 101,252.58

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Solution

The fourth proportional to 186,135.45, 256,865.49 and 101,252.58 is: 139,727.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,135.45 : 256,865.49 = 101,252.58 : x
  2. Step 2: Convert to fraction form
    186,135.45/256,865.49 = 101,252.58/x
  3. Step 3: Cross multiply
    186,135.45x = 256,865.49 × 101,252.58
  4. Step 4: Simplify right side
    186,135.45x = 26,008,293,575.46
  5. Step 5: Solve for x
    x = 26,008,293,575.46/186,135.45
  6. Step 6: Final answer
    x = 139,727.78

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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.