Home / 127,391.24-175,848.90-84,934.28

Finding the Fourth Proportional to 127,391.24, 175,848.90 and 84,934.28

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Solution

The fourth proportional to 127,391.24, 175,848.90 and 84,934.28 is: 117,241.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,391.24 : 175,848.90 = 84,934.28 : x
  2. Step 2: Convert to fraction form
    127,391.24/175,848.90 = 84,934.28/x
  3. Step 3: Cross multiply
    127,391.24x = 175,848.90 × 84,934.28
  4. Step 4: Simplify right side
    127,391.24x = 14,935,599,710.29
  5. Step 5: Solve for x
    x = 14,935,599,710.29/127,391.24
  6. Step 6: Final answer
    x = 117,241.97

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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.