Home / 541,270.53-811,708.95-186,189.21

Finding the Fourth Proportional to 541,270.53, 811,708.95 and 186,189.21

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Solution

The fourth proportional to 541,270.53, 811,708.95 and 186,189.21 is: 279,216.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,270.53 : 811,708.95 = 186,189.21 : x
  2. Step 2: Convert to fraction form
    541,270.53/811,708.95 = 186,189.21/x
  3. Step 3: Cross multiply
    541,270.53x = 811,708.95 × 186,189.21
  4. Step 4: Simplify right side
    541,270.53x = 151,131,448,150.43
  5. Step 5: Solve for x
    x = 151,131,448,150.43/541,270.53
  6. Step 6: Final answer
    x = 279,216.10

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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.