Home / 134,763.45-202,309.20-68,169.30

Finding the Fourth Proportional to 134,763.45, 202,309.20 and 68,169.30

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Solution

The fourth proportional to 134,763.45, 202,309.20 and 68,169.30 is: 102,336.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,763.45 : 202,309.20 = 68,169.30 : x
  2. Step 2: Convert to fraction form
    134,763.45/202,309.20 = 68,169.30/x
  3. Step 3: Cross multiply
    134,763.45x = 202,309.20 × 68,169.30
  4. Step 4: Simplify right side
    134,763.45x = 13,791,276,547.56
  5. Step 5: Solve for x
    x = 13,791,276,547.56/134,763.45
  6. Step 6: Final answer
    x = 102,336.92

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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.