Home / 134,677.10-202,234.35-90,499.70

Finding the Fourth Proportional to 134,677.10, 202,234.35 and 90,499.70

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Solution

The fourth proportional to 134,677.10, 202,234.35 and 90,499.70 is: 135,896.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,677.10 : 202,234.35 = 90,499.70 : x
  2. Step 2: Convert to fraction form
    134,677.10/202,234.35 = 90,499.70/x
  3. Step 3: Cross multiply
    134,677.10x = 202,234.35 × 90,499.70
  4. Step 4: Simplify right side
    134,677.10x = 18,302,148,004.70
  5. Step 5: Solve for x
    x = 18,302,148,004.70/134,677.10
  6. Step 6: Final answer
    x = 135,896.51

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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.