Home / 392,100.45-588,095.07-125,826.51

Finding the Fourth Proportional to 392,100.45, 588,095.07 and 125,826.51

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Solution

The fourth proportional to 392,100.45, 588,095.07 and 125,826.51 is: 188,721.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    392,100.45 : 588,095.07 = 125,826.51 : x
  2. Step 2: Convert to fraction form
    392,100.45/588,095.07 = 125,826.51/x
  3. Step 3: Cross multiply
    392,100.45x = 588,095.07 × 125,826.51
  4. Step 4: Simplify right side
    392,100.45x = 73,997,950,206.31
  5. Step 5: Solve for x
    x = 73,997,950,206.31/392,100.45
  6. Step 6: Final answer
    x = 188,721.92

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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.