Home / 360,110.12-496,971.89-198,961.70

Finding the Fourth Proportional to 360,110.12, 496,971.89 and 198,961.70

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Solution

The fourth proportional to 360,110.12, 496,971.89 and 198,961.70 is: 274,578.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,110.12 : 496,971.89 = 198,961.70 : x
  2. Step 2: Convert to fraction form
    360,110.12/496,971.89 = 198,961.70/x
  3. Step 3: Cross multiply
    360,110.12x = 496,971.89 × 198,961.70
  4. Step 4: Simplify right side
    360,110.12x = 98,878,368,606.95
  5. Step 5: Solve for x
    x = 98,878,368,606.95/360,110.12
  6. Step 6: Final answer
    x = 274,578.15

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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.