Home / 125,027.88-187,588.80-74,456.16

Finding the Fourth Proportional to 125,027.88, 187,588.80 and 74,456.16

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Solution

The fourth proportional to 125,027.88, 187,588.80 and 74,456.16 is: 111,712.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,027.88 : 187,588.80 = 74,456.16 : x
  2. Step 2: Convert to fraction form
    125,027.88/187,588.80 = 74,456.16/x
  3. Step 3: Cross multiply
    125,027.88x = 187,588.80 × 74,456.16
  4. Step 4: Simplify right side
    125,027.88x = 13,967,141,707.01
  5. Step 5: Solve for x
    x = 13,967,141,707.01/125,027.88
  6. Step 6: Final answer
    x = 111,712.22

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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.