Home / 220,540.46-304,076.85-186,488.06

Finding the Fourth Proportional to 220,540.46, 304,076.85 and 186,488.06

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Solution

The fourth proportional to 220,540.46, 304,076.85 and 186,488.06 is: 257,126.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,540.46 : 304,076.85 = 186,488.06 : x
  2. Step 2: Convert to fraction form
    220,540.46/304,076.85 = 186,488.06/x
  3. Step 3: Cross multiply
    220,540.46x = 304,076.85 × 186,488.06
  4. Step 4: Simplify right side
    220,540.46x = 56,706,701,847.41
  5. Step 5: Solve for x
    x = 56,706,701,847.41/220,540.46
  6. Step 6: Final answer
    x = 257,126.07

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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.