Home / 98,301.52-147,450.12-28,181.44

Finding the Fourth Proportional to 98,301.52, 147,450.12 and 28,181.44

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Solution

The fourth proportional to 98,301.52, 147,450.12 and 28,181.44 is: 42,271.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,301.52 : 147,450.12 = 28,181.44 : x
  2. Step 2: Convert to fraction form
    98,301.52/147,450.12 = 28,181.44/x
  3. Step 3: Cross multiply
    98,301.52x = 147,450.12 × 28,181.44
  4. Step 4: Simplify right side
    98,301.52x = 4,155,356,709.77
  5. Step 5: Solve for x
    x = 4,155,356,709.77/98,301.52
  6. Step 6: Final answer
    x = 42,271.54

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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.