Home / 125,210.33-187,732.45-40,940.97

Finding the Fourth Proportional to 125,210.33, 187,732.45 and 40,940.97

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Solution

The fourth proportional to 125,210.33, 187,732.45 and 40,940.97 is: 61,384.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,210.33 : 187,732.45 = 40,940.97 : x
  2. Step 2: Convert to fraction form
    125,210.33/187,732.45 = 40,940.97/x
  3. Step 3: Cross multiply
    125,210.33x = 187,732.45 × 40,940.97
  4. Step 4: Simplify right side
    125,210.33x = 7,685,947,950.66
  5. Step 5: Solve for x
    x = 7,685,947,950.66/125,210.33
  6. Step 6: Final answer
    x = 61,384.30

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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.