Home / 354,217.12-488,816.44-193,072.20

Finding the Fourth Proportional to 354,217.12, 488,816.44 and 193,072.20

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Solution

The fourth proportional to 354,217.12, 488,816.44 and 193,072.20 is: 266,437.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,217.12 : 488,816.44 = 193,072.20 : x
  2. Step 2: Convert to fraction form
    354,217.12/488,816.44 = 193,072.20/x
  3. Step 3: Cross multiply
    354,217.12x = 488,816.44 × 193,072.20
  4. Step 4: Simplify right side
    354,217.12x = 94,376,865,466.97
  5. Step 5: Solve for x
    x = 94,376,865,466.97/354,217.12
  6. Step 6: Final answer
    x = 266,437.90

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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.