Home / 132,405.21-198,545.39-48,105.93

Finding the Fourth Proportional to 132,405.21, 198,545.39 and 48,105.93

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Solution

The fourth proportional to 132,405.21, 198,545.39 and 48,105.93 is: 72,136.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,405.21 : 198,545.39 = 48,105.93 : x
  2. Step 2: Convert to fraction form
    132,405.21/198,545.39 = 48,105.93/x
  3. Step 3: Cross multiply
    132,405.21x = 198,545.39 × 48,105.93
  4. Step 4: Simplify right side
    132,405.21x = 9,551,210,392.63
  5. Step 5: Solve for x
    x = 9,551,210,392.63/132,405.21
  6. Step 6: Final answer
    x = 72,136.21

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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.