Home / 122,450.98-183,663.51-39,338.50

Finding the Fourth Proportional to 122,450.98, 183,663.51 and 39,338.50

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Solution

The fourth proportional to 122,450.98, 183,663.51 and 39,338.50 is: 59,003.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,450.98 : 183,663.51 = 39,338.50 : x
  2. Step 2: Convert to fraction form
    122,450.98/183,663.51 = 39,338.50/x
  3. Step 3: Cross multiply
    122,450.98x = 183,663.51 × 39,338.50
  4. Step 4: Simplify right side
    122,450.98x = 7,225,046,988.14
  5. Step 5: Solve for x
    x = 7,225,046,988.14/122,450.98
  6. Step 6: Final answer
    x = 59,003.59

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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.