Home / 216,165.72-298,286.02-125,503.97

Finding the Fourth Proportional to 216,165.72, 298,286.02 and 125,503.97

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Solution

The fourth proportional to 216,165.72, 298,286.02 and 125,503.97 is: 173,182.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,165.72 : 298,286.02 = 125,503.97 : x
  2. Step 2: Convert to fraction form
    216,165.72/298,286.02 = 125,503.97/x
  3. Step 3: Cross multiply
    216,165.72x = 298,286.02 × 125,503.97
  4. Step 4: Simplify right side
    216,165.72x = 37,436,079,705.50
  5. Step 5: Solve for x
    x = 37,436,079,705.50/216,165.72
  6. Step 6: Final answer
    x = 173,182.31

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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.