Home / 134,613.45-202,084.20-68,019.30

Finding the Fourth Proportional to 134,613.45, 202,084.20 and 68,019.30

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Solution

The fourth proportional to 134,613.45, 202,084.20 and 68,019.30 is: 102,111.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,613.45 : 202,084.20 = 68,019.30 : x
  2. Step 2: Convert to fraction form
    134,613.45/202,084.20 = 68,019.30/x
  3. Step 3: Cross multiply
    134,613.45x = 202,084.20 × 68,019.30
  4. Step 4: Simplify right side
    134,613.45x = 13,745,625,825.06
  5. Step 5: Solve for x
    x = 13,745,625,825.06/134,613.45
  6. Step 6: Final answer
    x = 102,111.83

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1.5x scale

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.