Home / 282,972.22-424,473.45-72,611.98

Finding the Fourth Proportional to 282,972.22, 424,473.45 and 72,611.98

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Solution

The fourth proportional to 282,972.22, 424,473.45 and 72,611.98 is: 108,921.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,972.22 : 424,473.45 = 72,611.98 : x
  2. Step 2: Convert to fraction form
    282,972.22/424,473.45 = 72,611.98/x
  3. Step 3: Cross multiply
    282,972.22x = 424,473.45 × 72,611.98
  4. Step 4: Simplify right side
    282,972.22x = 30,821,857,661.93
  5. Step 5: Solve for x
    x = 30,821,857,661.93/282,972.22
  6. Step 6: Final answer
    x = 108,921.85

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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.