Home / 127,390.24-175,847.52-84,933.28

Finding the Fourth Proportional to 127,390.24, 175,847.52 and 84,933.28

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Solution

The fourth proportional to 127,390.24, 175,847.52 and 84,933.28 is: 117,240.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,390.24 : 175,847.52 = 84,933.28 : x
  2. Step 2: Convert to fraction form
    127,390.24/175,847.52 = 84,933.28/x
  3. Step 3: Cross multiply
    127,390.24x = 175,847.52 × 84,933.28
  4. Step 4: Simplify right side
    127,390.24x = 14,935,306,653.47
  5. Step 5: Solve for x
    x = 14,935,306,653.47/127,390.24
  6. Step 6: Final answer
    x = 117,240.59

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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.