Home / 117,511.65-176,296.64-55,109.25

Finding the Fourth Proportional to 117,511.65, 176,296.64 and 55,109.25

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Solution

The fourth proportional to 117,511.65, 176,296.64 and 55,109.25 is: 82,677.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,511.65 : 176,296.64 = 55,109.25 : x
  2. Step 2: Convert to fraction form
    117,511.65/176,296.64 = 55,109.25/x
  3. Step 3: Cross multiply
    117,511.65x = 176,296.64 × 55,109.25
  4. Step 4: Simplify right side
    117,511.65x = 9,715,575,332.37
  5. Step 5: Solve for x
    x = 9,715,575,332.37/117,511.65
  6. Step 6: Final answer
    x = 82,677.55

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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.