Home / 541,160.09-811,511.77-162,134.72

Finding the Fourth Proportional to 541,160.09, 811,511.77 and 162,134.72

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Solution

The fourth proportional to 541,160.09, 811,511.77 and 162,134.72 is: 243,133.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,160.09 : 811,511.77 = 162,134.72 : x
  2. Step 2: Convert to fraction form
    541,160.09/811,511.77 = 162,134.72/x
  3. Step 3: Cross multiply
    541,160.09x = 811,511.77 × 162,134.72
  4. Step 4: Simplify right side
    541,160.09x = 131,574,233,605.65
  5. Step 5: Solve for x
    x = 131,574,233,605.65/541,160.09
  6. Step 6: Final answer
    x = 243,133.66

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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.