Home / 204,075.56-306,217.02-91,733.15

Finding the Fourth Proportional to 204,075.56, 306,217.02 and 91,733.15

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Solution

The fourth proportional to 204,075.56, 306,217.02 and 91,733.15 is: 137,646.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,075.56 : 306,217.02 = 91,733.15 : x
  2. Step 2: Convert to fraction form
    204,075.56/306,217.02 = 91,733.15/x
  3. Step 3: Cross multiply
    204,075.56x = 306,217.02 × 91,733.15
  4. Step 4: Simplify right side
    204,075.56x = 28,090,251,828.21
  5. Step 5: Solve for x
    x = 28,090,251,828.21/204,075.56
  6. Step 6: Final answer
    x = 137,646.33

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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.