Home / 127,506.08-191,257.56-57,335.84

Finding the Fourth Proportional to 127,506.08, 191,257.56 and 57,335.84

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Solution

The fourth proportional to 127,506.08, 191,257.56 and 57,335.84 is: 86,003.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,506.08 : 191,257.56 = 57,335.84 : x
  2. Step 2: Convert to fraction form
    127,506.08/191,257.56 = 57,335.84/x
  3. Step 3: Cross multiply
    127,506.08x = 191,257.56 × 57,335.84
  4. Step 4: Simplify right side
    127,506.08x = 10,965,912,858.95
  5. Step 5: Solve for x
    x = 10,965,912,858.95/127,506.08
  6. Step 6: Final answer
    x = 86,003.06

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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.