Home / 124,771.20-187,166.40-41,665.28

Finding the Fourth Proportional to 124,771.20, 187,166.40 and 41,665.28

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Solution

The fourth proportional to 124,771.20, 187,166.40 and 41,665.28 is: 62,501.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,771.20 : 187,166.40 = 41,665.28 : x
  2. Step 2: Convert to fraction form
    124,771.20/187,166.40 = 41,665.28/x
  3. Step 3: Cross multiply
    124,771.20x = 187,166.40 × 41,665.28
  4. Step 4: Simplify right side
    124,771.20x = 7,798,340,462.59
  5. Step 5: Solve for x
    x = 7,798,340,462.59/124,771.20
  6. Step 6: Final answer
    x = 62,501.13

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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.