Home / 282,936.15-424,404.36-72,574.16

Finding the Fourth Proportional to 282,936.15, 424,404.36 and 72,574.16

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Solution

The fourth proportional to 282,936.15, 424,404.36 and 72,574.16 is: 108,861.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,936.15 : 424,404.36 = 72,574.16 : x
  2. Step 2: Convert to fraction form
    282,936.15/424,404.36 = 72,574.16/x
  3. Step 3: Cross multiply
    282,936.15x = 424,404.36 × 72,574.16
  4. Step 4: Simplify right side
    282,936.15x = 30,800,787,805.32
  5. Step 5: Solve for x
    x = 30,800,787,805.32/282,936.15
  6. Step 6: Final answer
    x = 108,861.27

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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.