Home / 110,905.05-153,076.17-63,186.54

Finding the Fourth Proportional to 110,905.05, 153,076.17 and 63,186.54

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Solution

The fourth proportional to 110,905.05, 153,076.17 and 63,186.54 is: 87,212.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,905.05 : 153,076.17 = 63,186.54 : x
  2. Step 2: Convert to fraction form
    110,905.05/153,076.17 = 63,186.54/x
  3. Step 3: Cross multiply
    110,905.05x = 153,076.17 × 63,186.54
  4. Step 4: Simplify right side
    110,905.05x = 9,672,353,538.75
  5. Step 5: Solve for x
    x = 9,672,353,538.75/110,905.05
  6. Step 6: Final answer
    x = 87,212.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.