Home / 117,390.12-176,064.72-54,204.86

Finding the Fourth Proportional to 117,390.12, 176,064.72 and 54,204.86

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Solution

The fourth proportional to 117,390.12, 176,064.72 and 54,204.86 is: 81,297.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,390.12 : 176,064.72 = 54,204.86 : x
  2. Step 2: Convert to fraction form
    117,390.12/176,064.72 = 54,204.86/x
  3. Step 3: Cross multiply
    117,390.12x = 176,064.72 × 54,204.86
  4. Step 4: Simplify right side
    117,390.12x = 9,543,562,618.22
  5. Step 5: Solve for x
    x = 9,543,562,618.22/117,390.12
  6. Step 6: Final answer
    x = 81,297.84

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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.