Home / 127,188.86-190,787.36-63,974.46

Finding the Fourth Proportional to 127,188.86, 190,787.36 and 63,974.46

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Solution

The fourth proportional to 127,188.86, 190,787.36 and 63,974.46 is: 95,963.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,188.86 : 190,787.36 = 63,974.46 : x
  2. Step 2: Convert to fraction form
    127,188.86/190,787.36 = 63,974.46/x
  3. Step 3: Cross multiply
    127,188.86x = 190,787.36 × 63,974.46
  4. Step 4: Simplify right side
    127,188.86x = 12,205,518,726.41
  5. Step 5: Solve for x
    x = 12,205,518,726.41/127,188.86
  6. Step 6: Final answer
    x = 95,963.74

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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.