Home / 541,140.93-811,084.01-203,965.68

Finding the Fourth Proportional to 541,140.93, 811,084.01 and 203,965.68

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Solution

The fourth proportional to 541,140.93, 811,084.01 and 203,965.68 is: 305,712.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,140.93 : 811,084.01 = 203,965.68 : x
  2. Step 2: Convert to fraction form
    541,140.93/811,084.01 = 203,965.68/x
  3. Step 3: Cross multiply
    541,140.93x = 811,084.01 × 203,965.68
  4. Step 4: Simplify right side
    541,140.93x = 165,433,300,616.95
  5. Step 5: Solve for x
    x = 165,433,300,616.95/541,140.93
  6. Step 6: Final answer
    x = 305,712.05

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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.