Home / 129,268.16-193,902.30-40,528.58

Finding the Fourth Proportional to 129,268.16, 193,902.30 and 40,528.58

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Solution

The fourth proportional to 129,268.16, 193,902.30 and 40,528.58 is: 60,792.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,268.16 : 193,902.30 = 40,528.58 : x
  2. Step 2: Convert to fraction form
    129,268.16/193,902.30 = 40,528.58/x
  3. Step 3: Cross multiply
    129,268.16x = 193,902.30 × 40,528.58
  4. Step 4: Simplify right side
    129,268.16x = 7,858,584,675.09
  5. Step 5: Solve for x
    x = 7,858,584,675.09/129,268.16
  6. Step 6: Final answer
    x = 60,792.89

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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.