Home / 147,524.20-221,372.70-54,039.40

Finding the Fourth Proportional to 147,524.20, 221,372.70 and 54,039.40

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Solution

The fourth proportional to 147,524.20, 221,372.70 and 54,039.40 is: 81,090.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,524.20 : 221,372.70 = 54,039.40 : x
  2. Step 2: Convert to fraction form
    147,524.20/221,372.70 = 54,039.40/x
  3. Step 3: Cross multiply
    147,524.20x = 221,372.70 × 54,039.40
  4. Step 4: Simplify right side
    147,524.20x = 11,962,847,884.38
  5. Step 5: Solve for x
    x = 11,962,847,884.38/147,524.20
  6. Step 6: Final answer
    x = 81,090.75

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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.