Home / 125,196.82-187,802.07-31,703.38

Finding the Fourth Proportional to 125,196.82, 187,802.07 and 31,703.38

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Solution

The fourth proportional to 125,196.82, 187,802.07 and 31,703.38 is: 47,556.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,196.82 : 187,802.07 = 31,703.38 : x
  2. Step 2: Convert to fraction form
    125,196.82/187,802.07 = 31,703.38/x
  3. Step 3: Cross multiply
    125,196.82x = 187,802.07 × 31,703.38
  4. Step 4: Simplify right side
    125,196.82x = 5,953,960,390.00
  5. Step 5: Solve for x
    x = 5,953,960,390.00/125,196.82
  6. Step 6: Final answer
    x = 47,556.80

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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.