Home / 146,433.60-202,088.64-82,771.92

Finding the Fourth Proportional to 146,433.60, 202,088.64 and 82,771.92

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Solution

The fourth proportional to 146,433.60, 202,088.64 and 82,771.92 is: 114,231.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,433.60 : 202,088.64 = 82,771.92 : x
  2. Step 2: Convert to fraction form
    146,433.60/202,088.64 = 82,771.92/x
  3. Step 3: Cross multiply
    146,433.60x = 202,088.64 × 82,771.92
  4. Step 4: Simplify right side
    146,433.60x = 16,727,264,742.99
  5. Step 5: Solve for x
    x = 16,727,264,742.99/146,433.60
  6. Step 6: Final answer
    x = 114,231.06

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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.