Home / 186,076.53-256,780.13-105,511.41

Finding the Fourth Proportional to 186,076.53, 256,780.13 and 105,511.41

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Solution

The fourth proportional to 186,076.53, 256,780.13 and 105,511.41 is: 145,602.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,076.53 : 256,780.13 = 105,511.41 : x
  2. Step 2: Convert to fraction form
    186,076.53/256,780.13 = 105,511.41/x
  3. Step 3: Cross multiply
    186,076.53x = 256,780.13 × 105,511.41
  4. Step 4: Simplify right side
    186,076.53x = 27,093,233,048.73
  5. Step 5: Solve for x
    x = 27,093,233,048.73/186,076.53
  6. Step 6: Final answer
    x = 145,602.63

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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.