Home / 125,935.98-188,947.70-55,864.50

Finding the Fourth Proportional to 125,935.98, 188,947.70 and 55,864.50

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Solution

The fourth proportional to 125,935.98, 188,947.70 and 55,864.50 is: 83,816.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,935.98 : 188,947.70 = 55,864.50 : x
  2. Step 2: Convert to fraction form
    125,935.98/188,947.70 = 55,864.50/x
  3. Step 3: Cross multiply
    125,935.98x = 188,947.70 × 55,864.50
  4. Step 4: Simplify right side
    125,935.98x = 10,555,468,786.65
  5. Step 5: Solve for x
    x = 10,555,468,786.65/125,935.98
  6. Step 6: Final answer
    x = 83,816.15

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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.