Home / 100,339.08-150,508.24-25,459.03

Finding the Fourth Proportional to 100,339.08, 150,508.24 and 25,459.03

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Solution

The fourth proportional to 100,339.08, 150,508.24 and 25,459.03 is: 38,188.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,339.08 : 150,508.24 = 25,459.03 : x
  2. Step 2: Convert to fraction form
    100,339.08/150,508.24 = 25,459.03/x
  3. Step 3: Cross multiply
    100,339.08x = 150,508.24 × 25,459.03
  4. Step 4: Simplify right side
    100,339.08x = 3,831,793,797.41
  5. Step 5: Solve for x
    x = 3,831,793,797.41/100,339.08
  6. Step 6: Final answer
    x = 38,188.45

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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.