Home / 190,345.68-262,696.77-109,791.18

Finding the Fourth Proportional to 190,345.68, 262,696.77 and 109,791.18

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Solution

The fourth proportional to 190,345.68, 262,696.77 and 109,791.18 is: 151,523.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,345.68 : 262,696.77 = 109,791.18 : x
  2. Step 2: Convert to fraction form
    190,345.68/262,696.77 = 109,791.18/x
  3. Step 3: Cross multiply
    190,345.68x = 262,696.77 × 109,791.18
  4. Step 4: Simplify right side
    190,345.68x = 28,841,788,360.49
  5. Step 5: Solve for x
    x = 28,841,788,360.49/190,345.68
  6. Step 6: Final answer
    x = 151,523.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.