Home / 124,186.29-186,222.33-39,930.90

Finding the Fourth Proportional to 124,186.29, 186,222.33 and 39,930.90

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Solution

The fourth proportional to 124,186.29, 186,222.33 and 39,930.90 is: 59,877.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,186.29 : 186,222.33 = 39,930.90 : x
  2. Step 2: Convert to fraction form
    124,186.29/186,222.33 = 39,930.90/x
  3. Step 3: Cross multiply
    124,186.29x = 186,222.33 × 39,930.90
  4. Step 4: Simplify right side
    124,186.29x = 7,436,025,237.00
  5. Step 5: Solve for x
    x = 7,436,025,237.00/124,186.29
  6. Step 6: Final answer
    x = 59,877.99

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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.