Home / 282,675.28-424,027.44-72,315.04

Finding the Fourth Proportional to 282,675.28, 424,027.44 and 72,315.04

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Solution

The fourth proportional to 282,675.28, 424,027.44 and 72,315.04 is: 108,476.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,675.28 : 424,027.44 = 72,315.04 : x
  2. Step 2: Convert to fraction form
    282,675.28/424,027.44 = 72,315.04/x
  3. Step 3: Cross multiply
    282,675.28x = 424,027.44 × 72,315.04
  4. Step 4: Simplify right side
    282,675.28x = 30,663,561,284.70
  5. Step 5: Solve for x
    x = 30,663,561,284.70/282,675.28
  6. Step 6: Final answer
    x = 108,476.27

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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.