Home / 116,181.51-174,050.09-78,556.91

Finding the Fourth Proportional to 116,181.51, 174,050.09 and 78,556.91

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Solution

The fourth proportional to 116,181.51, 174,050.09 and 78,556.91 is: 117,685.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,181.51 : 174,050.09 = 78,556.91 : x
  2. Step 2: Convert to fraction form
    116,181.51/174,050.09 = 78,556.91/x
  3. Step 3: Cross multiply
    116,181.51x = 174,050.09 × 78,556.91
  4. Step 4: Simplify right side
    116,181.51x = 13,672,836,939.86
  5. Step 5: Solve for x
    x = 13,672,836,939.86/116,181.51
  6. Step 6: Final answer
    x = 117,685.14

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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.