Home / 132,108.36-198,169.04-53,211.92

Finding the Fourth Proportional to 132,108.36, 198,169.04 and 53,211.92

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Solution

The fourth proportional to 132,108.36, 198,169.04 and 53,211.92 is: 79,820.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,108.36 : 198,169.04 = 53,211.92 : x
  2. Step 2: Convert to fraction form
    132,108.36/198,169.04 = 53,211.92/x
  3. Step 3: Cross multiply
    132,108.36x = 198,169.04 × 53,211.92
  4. Step 4: Simplify right side
    132,108.36x = 10,544,955,102.96
  5. Step 5: Solve for x
    x = 10,544,955,102.96/132,108.36
  6. Step 6: Final answer
    x = 79,820.50

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1.5x scale

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.