Home / 132,210.90-197,877.78-120,391.98

Finding the Fourth Proportional to 132,210.90, 197,877.78 and 120,391.98

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Solution

The fourth proportional to 132,210.90, 197,877.78 and 120,391.98 is: 180,188.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,210.90 : 197,877.78 = 120,391.98 : x
  2. Step 2: Convert to fraction form
    132,210.90/197,877.78 = 120,391.98/x
  3. Step 3: Cross multiply
    132,210.90x = 197,877.78 × 120,391.98
  4. Step 4: Simplify right side
    132,210.90x = 23,822,897,732.20
  5. Step 5: Solve for x
    x = 23,822,897,732.20/132,210.90
  6. Step 6: Final answer
    x = 180,188.61

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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.