Home / 282,103.18-423,150.28-113,619.54

Finding the Fourth Proportional to 282,103.18, 423,150.28 and 113,619.54

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Solution

The fourth proportional to 282,103.18, 423,150.28 and 113,619.54 is: 170,427.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,103.18 : 423,150.28 = 113,619.54 : x
  2. Step 2: Convert to fraction form
    282,103.18/423,150.28 = 113,619.54/x
  3. Step 3: Cross multiply
    282,103.18x = 423,150.28 × 113,619.54
  4. Step 4: Simplify right side
    282,103.18x = 48,078,140,164.47
  5. Step 5: Solve for x
    x = 48,078,140,164.47/282,103.18
  6. Step 6: Final answer
    x = 170,427.50

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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.