Home / 124,188.72-186,136.39-53,090.56

Finding the Fourth Proportional to 124,188.72, 186,136.39 and 53,090.56

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Solution

The fourth proportional to 124,188.72, 186,136.39 and 53,090.56 is: 79,573.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,188.72 : 186,136.39 = 53,090.56 : x
  2. Step 2: Convert to fraction form
    124,188.72/186,136.39 = 53,090.56/x
  3. Step 3: Cross multiply
    124,188.72x = 186,136.39 × 53,090.56
  4. Step 4: Simplify right side
    124,188.72x = 9,882,085,181.48
  5. Step 5: Solve for x
    x = 9,882,085,181.48/124,188.72
  6. Step 6: Final answer
    x = 79,573.13

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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.