Home / 282,158.40-423,229.38-82,483.47

Finding the Fourth Proportional to 282,158.40, 423,229.38 and 82,483.47

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Solution

The fourth proportional to 282,158.40, 423,229.38 and 82,483.47 is: 123,722.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,158.40 : 423,229.38 = 82,483.47 : x
  2. Step 2: Convert to fraction form
    282,158.40/423,229.38 = 82,483.47/x
  3. Step 3: Cross multiply
    282,158.40x = 423,229.38 × 82,483.47
  4. Step 4: Simplify right side
    282,158.40x = 34,909,427,868.35
  5. Step 5: Solve for x
    x = 34,909,427,868.35/282,158.40
  6. Step 6: Final answer
    x = 123,722.80

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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.