Home / 435,613.42-653,551.35-136,081.90

Finding the Fourth Proportional to 435,613.42, 653,551.35 and 136,081.90

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Solution

The fourth proportional to 435,613.42, 653,551.35 and 136,081.90 is: 204,163.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,613.42 : 653,551.35 = 136,081.90 : x
  2. Step 2: Convert to fraction form
    435,613.42/653,551.35 = 136,081.90/x
  3. Step 3: Cross multiply
    435,613.42x = 653,551.35 × 136,081.90
  4. Step 4: Simplify right side
    435,613.42x = 88,936,509,455.57
  5. Step 5: Solve for x
    x = 88,936,509,455.57/435,613.42
  6. Step 6: Final answer
    x = 204,163.84

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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.