Home / 176,699.45-265,078.95-81,891.18

Finding the Fourth Proportional to 176,699.45, 265,078.95 and 81,891.18

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Solution

The fourth proportional to 176,699.45, 265,078.95 and 81,891.18 is: 122,850.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,699.45 : 265,078.95 = 81,891.18 : x
  2. Step 2: Convert to fraction form
    176,699.45/265,078.95 = 81,891.18/x
  3. Step 3: Cross multiply
    176,699.45x = 265,078.95 × 81,891.18
  4. Step 4: Simplify right side
    176,699.45x = 21,707,628,008.66
  5. Step 5: Solve for x
    x = 21,707,628,008.66/176,699.45
  6. Step 6: Final answer
    x = 122,850.57

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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.