Home / 124,121.18-186,187.80-35,380.82

Finding the Fourth Proportional to 124,121.18, 186,187.80 and 35,380.82

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Solution

The fourth proportional to 124,121.18, 186,187.80 and 35,380.82 is: 53,072.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,121.18 : 186,187.80 = 35,380.82 : x
  2. Step 2: Convert to fraction form
    124,121.18/186,187.80 = 35,380.82/x
  3. Step 3: Cross multiply
    124,121.18x = 186,187.80 × 35,380.82
  4. Step 4: Simplify right side
    124,121.18x = 6,587,477,038.00
  5. Step 5: Solve for x
    x = 6,587,477,038.00/124,121.18
  6. Step 6: Final answer
    x = 53,072.95

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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.