Home / 192,701.50-289,071.68-66,325.10

Finding the Fourth Proportional to 192,701.50, 289,071.68 and 66,325.10

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Solution

The fourth proportional to 192,701.50, 289,071.68 and 66,325.10 is: 99,494.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,701.50 : 289,071.68 = 66,325.10 : x
  2. Step 2: Convert to fraction form
    192,701.50/289,071.68 = 66,325.10/x
  3. Step 3: Cross multiply
    192,701.50x = 289,071.68 × 66,325.10
  4. Step 4: Simplify right side
    192,701.50x = 19,172,706,306.18
  5. Step 5: Solve for x
    x = 19,172,706,306.18/192,701.50
  6. Step 6: Final answer
    x = 99,494.33

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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.