Home / 262,784.02-393,926.66-85,166.22

Finding the Fourth Proportional to 262,784.02, 393,926.66 and 85,166.22

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Solution

The fourth proportional to 262,784.02, 393,926.66 and 85,166.22 is: 127,668.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,784.02 : 393,926.66 = 85,166.22 : x
  2. Step 2: Convert to fraction form
    262,784.02/393,926.66 = 85,166.22/x
  3. Step 3: Cross multiply
    262,784.02x = 393,926.66 × 85,166.22
  4. Step 4: Simplify right side
    262,784.02x = 33,549,244,589.43
  5. Step 5: Solve for x
    x = 33,549,244,589.43/262,784.02
  6. Step 6: Final answer
    x = 127,668.51

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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.