Home / 167,638.55-251,465.85-55,328.81

Finding the Fourth Proportional to 167,638.55, 251,465.85 and 55,328.81

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Solution

The fourth proportional to 167,638.55, 251,465.85 and 55,328.81 is: 82,995.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,638.55 : 251,465.85 = 55,328.81 : x
  2. Step 2: Convert to fraction form
    167,638.55/251,465.85 = 55,328.81/x
  3. Step 3: Cross multiply
    167,638.55x = 251,465.85 × 55,328.81
  4. Step 4: Simplify right side
    167,638.55x = 13,913,304,978.81
  5. Step 5: Solve for x
    x = 13,913,304,978.81/167,638.55
  6. Step 6: Final answer
    x = 82,995.86

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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.