Home / 127,787.73-191,683.59-37,839.57

Finding the Fourth Proportional to 127,787.73, 191,683.59 and 37,839.57

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Solution

The fourth proportional to 127,787.73, 191,683.59 and 37,839.57 is: 56,759.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,787.73 : 191,683.59 = 37,839.57 : x
  2. Step 2: Convert to fraction form
    127,787.73/191,683.59 = 37,839.57/x
  3. Step 3: Cross multiply
    127,787.73x = 191,683.59 × 37,839.57
  4. Step 4: Simplify right side
    127,787.73x = 7,253,224,621.66
  5. Step 5: Solve for x
    x = 7,253,224,621.66/127,787.73
  6. Step 6: Final answer
    x = 56,759.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.