Home / 173,987.68-261,000.24-55,616.80

Finding the Fourth Proportional to 173,987.68, 261,000.24 and 55,616.80

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Solution

The fourth proportional to 173,987.68, 261,000.24 and 55,616.80 is: 83,431.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,987.68 : 261,000.24 = 55,616.80 : x
  2. Step 2: Convert to fraction form
    173,987.68/261,000.24 = 55,616.80/x
  3. Step 3: Cross multiply
    173,987.68x = 261,000.24 × 55,616.80
  4. Step 4: Simplify right side
    173,987.68x = 14,515,998,148.03
  5. Step 5: Solve for x
    x = 14,515,998,148.03/173,987.68
  6. Step 6: Final answer
    x = 83,431.18

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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.