Home / 190,335.61-262,544.21-122,441

Finding the Fourth Proportional to 190,335.61, 262,544.21 and 122,441

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Solution

The fourth proportional to 190,335.61, 262,544.21 and 122,441 is: 168,892.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,335.61 : 262,544.21 = 122,441 : x
  2. Step 2: Convert to fraction form
    190,335.61/262,544.21 = 122,441/x
  3. Step 3: Cross multiply
    190,335.61x = 262,544.21 × 122,441
  4. Step 4: Simplify right side
    190,335.61x = 32,146,175,004.41
  5. Step 5: Solve for x
    x = 32,146,175,004.41/190,335.61
  6. Step 6: Final answer
    x = 168,892.07

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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.