Home / 218,916.52-327,899.58-134,420.20

Finding the Fourth Proportional to 218,916.52, 327,899.58 and 134,420.20

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Solution

The fourth proportional to 218,916.52, 327,899.58 and 134,420.20 is: 201,338.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,916.52 : 327,899.58 = 134,420.20 : x
  2. Step 2: Convert to fraction form
    218,916.52/327,899.58 = 134,420.20/x
  3. Step 3: Cross multiply
    218,916.52x = 327,899.58 × 134,420.20
  4. Step 4: Simplify right side
    218,916.52x = 44,076,327,123.52
  5. Step 5: Solve for x
    x = 44,076,327,123.52/218,916.52
  6. Step 6: Final answer
    x = 201,338.52

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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.