Home / 354,799.85-531,912.42-242,196.48

Finding the Fourth Proportional to 354,799.85, 531,912.42 and 242,196.48

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Solution

The fourth proportional to 354,799.85, 531,912.42 and 242,196.48 is: 363,098.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,799.85 : 531,912.42 = 242,196.48 : x
  2. Step 2: Convert to fraction form
    354,799.85/531,912.42 = 242,196.48/x
  3. Step 3: Cross multiply
    354,799.85x = 531,912.42 × 242,196.48
  4. Step 4: Simplify right side
    354,799.85x = 128,827,315,792.28
  5. Step 5: Solve for x
    x = 128,827,315,792.28/354,799.85
  6. Step 6: Final answer
    x = 363,098.57

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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.