Home / 431,066.13-646,896.26-150,583.38

Finding the Fourth Proportional to 431,066.13, 646,896.26 and 150,583.38

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Solution

The fourth proportional to 431,066.13, 646,896.26 and 150,583.38 is: 225,978.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,066.13 : 646,896.26 = 150,583.38 : x
  2. Step 2: Convert to fraction form
    431,066.13/646,896.26 = 150,583.38/x
  3. Step 3: Cross multiply
    431,066.13x = 646,896.26 × 150,583.38
  4. Step 4: Simplify right side
    431,066.13x = 97,411,825,340.16
  5. Step 5: Solve for x
    x = 97,411,825,340.16/431,066.13
  6. Step 6: Final answer
    x = 225,978.84

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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.