Home / 282,454.50-423,681.36-72,092.44

Finding the Fourth Proportional to 282,454.50, 423,681.36 and 72,092.44

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Solution

The fourth proportional to 282,454.50, 423,681.36 and 72,092.44 is: 108,138.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,454.50 : 423,681.36 = 72,092.44 : x
  2. Step 2: Convert to fraction form
    282,454.50/423,681.36 = 72,092.44/x
  3. Step 3: Cross multiply
    282,454.50x = 423,681.36 × 72,092.44
  4. Step 4: Simplify right side
    282,454.50x = 30,544,223,024.92
  5. Step 5: Solve for x
    x = 30,544,223,024.92/282,454.50
  6. Step 6: Final answer
    x = 108,138.56

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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.