Home / 218,944.10-328,416.15-201,229.40

Finding the Fourth Proportional to 218,944.10, 328,416.15 and 201,229.40

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Solution

The fourth proportional to 218,944.10, 328,416.15 and 201,229.40 is: 301,844.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,944.10 : 328,416.15 = 201,229.40 : x
  2. Step 2: Convert to fraction form
    218,944.10/328,416.15 = 201,229.40/x
  3. Step 3: Cross multiply
    218,944.10x = 328,416.15 × 201,229.40
  4. Step 4: Simplify right side
    218,944.10x = 66,086,984,814.81
  5. Step 5: Solve for x
    x = 66,086,984,814.81/218,944.10
  6. Step 6: Final answer
    x = 301,844.10

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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.