Home / 113,433.16-170,149.74-30,325

Finding the Fourth Proportional to 113,433.16, 170,149.74 and 30,325

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Solution

The fourth proportional to 113,433.16, 170,149.74 and 30,325 is: 45,487.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,433.16 : 170,149.74 = 30,325 : x
  2. Step 2: Convert to fraction form
    113,433.16/170,149.74 = 30,325/x
  3. Step 3: Cross multiply
    113,433.16x = 170,149.74 × 30,325
  4. Step 4: Simplify right side
    113,433.16x = 5,159,790,865.50
  5. Step 5: Solve for x
    x = 5,159,790,865.50/113,433.16
  6. Step 6: Final answer
    x = 45,487.50

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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.