Home / 360,110.29-496,938.78-198,961.89

Finding the Fourth Proportional to 360,110.29, 496,938.78 and 198,961.89

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Solution

The fourth proportional to 360,110.29, 496,938.78 and 198,961.89 is: 274,559.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,110.29 : 496,938.78 = 198,961.89 : x
  2. Step 2: Convert to fraction form
    360,110.29/496,938.78 = 198,961.89/x
  3. Step 3: Cross multiply
    360,110.29x = 496,938.78 × 198,961.89
  4. Step 4: Simplify right side
    360,110.29x = 98,871,878,883.09
  5. Step 5: Solve for x
    x = 98,871,878,883.09/360,110.29
  6. Step 6: Final answer
    x = 274,559.99

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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.