Home / 190,572.57-262,997.15-115,106.49

Finding the Fourth Proportional to 190,572.57, 262,997.15 and 115,106.49

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Solution

The fourth proportional to 190,572.57, 262,997.15 and 115,106.49 is: 158,851.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,572.57 : 262,997.15 = 115,106.49 : x
  2. Step 2: Convert to fraction form
    190,572.57/262,997.15 = 115,106.49/x
  3. Step 3: Cross multiply
    190,572.57x = 262,997.15 × 115,106.49
  4. Step 4: Simplify right side
    190,572.57x = 30,272,678,240.97
  5. Step 5: Solve for x
    x = 30,272,678,240.97/190,572.57
  6. Step 6: Final answer
    x = 158,851.18

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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.