Home / 127,772.22-176,232.06-84,673.74

Finding the Fourth Proportional to 127,772.22, 176,232.06 and 84,673.74

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Solution

The fourth proportional to 127,772.22, 176,232.06 and 84,673.74 is: 116,787.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,772.22 : 176,232.06 = 84,673.74 : x
  2. Step 2: Convert to fraction form
    127,772.22/176,232.06 = 84,673.74/x
  3. Step 3: Cross multiply
    127,772.22x = 176,232.06 × 84,673.74
  4. Step 4: Simplify right side
    127,772.22x = 14,922,227,628.10
  5. Step 5: Solve for x
    x = 14,922,227,628.10/127,772.22
  6. Step 6: Final answer
    x = 116,787.73

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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.