Home / 117,339.75-176,053.32-54,190.08

Finding the Fourth Proportional to 117,339.75, 176,053.32 and 54,190.08

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Solution

The fourth proportional to 117,339.75, 176,053.32 and 54,190.08 is: 81,305.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,339.75 : 176,053.32 = 54,190.08 : x
  2. Step 2: Convert to fraction form
    117,339.75/176,053.32 = 54,190.08/x
  3. Step 3: Cross multiply
    117,339.75x = 176,053.32 × 54,190.08
  4. Step 4: Simplify right side
    117,339.75x = 9,540,343,495.07
  5. Step 5: Solve for x
    x = 9,540,343,495.07/117,339.75
  6. Step 6: Final answer
    x = 81,305.30

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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.