Home / 134,635.45-202,117.20-68,041.30

Finding the Fourth Proportional to 134,635.45, 202,117.20 and 68,041.30

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Solution

The fourth proportional to 134,635.45, 202,117.20 and 68,041.30 is: 102,144.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,635.45 : 202,117.20 = 68,041.30 : x
  2. Step 2: Convert to fraction form
    134,635.45/202,117.20 = 68,041.30/x
  3. Step 3: Cross multiply
    134,635.45x = 202,117.20 × 68,041.30
  4. Step 4: Simplify right side
    134,635.45x = 13,752,317,040.36
  5. Step 5: Solve for x
    x = 13,752,317,040.36/134,635.45
  6. Step 6: Final answer
    x = 102,144.84

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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.