Home / 117,888.09-176,732.93-51,278.04

Finding the Fourth Proportional to 117,888.09, 176,732.93 and 51,278.04

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Solution

The fourth proportional to 117,888.09, 176,732.93 and 51,278.04 is: 76,873.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,888.09 : 176,732.93 = 51,278.04 : x
  2. Step 2: Convert to fraction form
    117,888.09/176,732.93 = 51,278.04/x
  3. Step 3: Cross multiply
    117,888.09x = 176,732.93 × 51,278.04
  4. Step 4: Simplify right side
    117,888.09x = 9,062,517,997.47
  5. Step 5: Solve for x
    x = 9,062,517,997.47/117,888.09
  6. Step 6: Final answer
    x = 76,873.91

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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.