Home / 175,016.80-262,352.40-86,197.60

Finding the Fourth Proportional to 175,016.80, 262,352.40 and 86,197.60

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Solution

The fourth proportional to 175,016.80, 262,352.40 and 86,197.60 is: 129,211.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,016.80 : 262,352.40 = 86,197.60 : x
  2. Step 2: Convert to fraction form
    175,016.80/262,352.40 = 86,197.60/x
  3. Step 3: Cross multiply
    175,016.80x = 262,352.40 × 86,197.60
  4. Step 4: Simplify right side
    175,016.80x = 22,614,147,234.24
  5. Step 5: Solve for x
    x = 22,614,147,234.24/175,016.80
  6. Step 6: Final answer
    x = 129,211.29

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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.