Home / 98,293.06-147,439.18-28,172.44

Finding the Fourth Proportional to 98,293.06, 147,439.18 and 28,172.44

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Solution

The fourth proportional to 98,293.06, 147,439.18 and 28,172.44 is: 42,258.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,293.06 : 147,439.18 = 28,172.44 : x
  2. Step 2: Convert to fraction form
    98,293.06/147,439.18 = 28,172.44/x
  3. Step 3: Cross multiply
    98,293.06x = 147,439.18 × 28,172.44
  4. Step 4: Simplify right side
    98,293.06x = 4,153,721,452.20
  5. Step 5: Solve for x
    x = 4,153,721,452.20/98,293.06
  6. Step 6: Final answer
    x = 42,258.54

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1.5x scale

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.