Home / 132,639.07-198,838.61-48,379.50

Finding the Fourth Proportional to 132,639.07, 198,838.61 and 48,379.50

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Solution

The fourth proportional to 132,639.07, 198,838.61 and 48,379.50 is: 72,525.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,639.07 : 198,838.61 = 48,379.50 : x
  2. Step 2: Convert to fraction form
    132,639.07/198,838.61 = 48,379.50/x
  3. Step 3: Cross multiply
    132,639.07x = 198,838.61 × 48,379.50
  4. Step 4: Simplify right side
    132,639.07x = 9,619,712,532.50
  5. Step 5: Solve for x
    x = 9,619,712,532.50/132,639.07
  6. Step 6: Final answer
    x = 72,525.48

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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.