Home / 188,167.47-259,886.63-123,923.90

Finding the Fourth Proportional to 188,167.47, 259,886.63 and 123,923.90

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Solution

The fourth proportional to 188,167.47, 259,886.63 and 123,923.90 is: 171,156.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,167.47 : 259,886.63 = 123,923.90 : x
  2. Step 2: Convert to fraction form
    188,167.47/259,886.63 = 123,923.90/x
  3. Step 3: Cross multiply
    188,167.47x = 259,886.63 × 123,923.90
  4. Step 4: Simplify right side
    188,167.47x = 32,206,162,828.40
  5. Step 5: Solve for x
    x = 32,206,162,828.40/188,167.47
  6. Step 6: Final answer
    x = 171,156.91

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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.