Home / 131,626.54-181,644.65-71,197.16

Finding the Fourth Proportional to 131,626.54, 181,644.65 and 71,197.16

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Solution

The fourth proportional to 131,626.54, 181,644.65 and 71,197.16 is: 98,252.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,626.54 : 181,644.65 = 71,197.16 : x
  2. Step 2: Convert to fraction form
    131,626.54/181,644.65 = 71,197.16/x
  3. Step 3: Cross multiply
    131,626.54x = 181,644.65 × 71,197.16
  4. Step 4: Simplify right side
    131,626.54x = 12,932,583,433.97
  5. Step 5: Solve for x
    x = 12,932,583,433.97/131,626.54
  6. Step 6: Final answer
    x = 98,252.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.