Home / 132,072.20-198,302.70-92,803.40

Finding the Fourth Proportional to 132,072.20, 198,302.70 and 92,803.40

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Solution

The fourth proportional to 132,072.20, 198,302.70 and 92,803.40 is: 139,341.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,072.20 : 198,302.70 = 92,803.40 : x
  2. Step 2: Convert to fraction form
    132,072.20/198,302.70 = 92,803.40/x
  3. Step 3: Cross multiply
    132,072.20x = 198,302.70 × 92,803.40
  4. Step 4: Simplify right side
    132,072.20x = 18,403,164,789.18
  5. Step 5: Solve for x
    x = 18,403,164,789.18/132,072.20
  6. Step 6: Final answer
    x = 139,341.70

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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.