Home / 293,489.70-405,017.28-166,190.10

Finding the Fourth Proportional to 293,489.70, 405,017.28 and 166,190.10

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Solution

The fourth proportional to 293,489.70, 405,017.28 and 166,190.10 is: 229,343.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,489.70 : 405,017.28 = 166,190.10 : x
  2. Step 2: Convert to fraction form
    293,489.70/405,017.28 = 166,190.10/x
  3. Step 3: Cross multiply
    293,489.70x = 405,017.28 × 166,190.10
  4. Step 4: Simplify right side
    293,489.70x = 67,309,862,264.93
  5. Step 5: Solve for x
    x = 67,309,862,264.93/293,489.70
  6. Step 6: Final answer
    x = 229,343.18

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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.