Home / 171,631.40-257,466.30-53,301.80

Finding the Fourth Proportional to 171,631.40, 257,466.30 and 53,301.80

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Solution

The fourth proportional to 171,631.40, 257,466.30 and 53,301.80 is: 79,958.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,631.40 : 257,466.30 = 53,301.80 : x
  2. Step 2: Convert to fraction form
    171,631.40/257,466.30 = 53,301.80/x
  3. Step 3: Cross multiply
    171,631.40x = 257,466.30 × 53,301.80
  4. Step 4: Simplify right side
    171,631.40x = 13,723,417,229.34
  5. Step 5: Solve for x
    x = 13,723,417,229.34/171,631.40
  6. Step 6: Final answer
    x = 79,958.66

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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.