Home / 360,109.79-496,961.54-198,975.22

Finding the Fourth Proportional to 360,109.79, 496,961.54 and 198,975.22

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Solution

The fourth proportional to 360,109.79, 496,961.54 and 198,975.22 is: 274,591.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,109.79 : 496,961.54 = 198,975.22 : x
  2. Step 2: Convert to fraction form
    360,109.79/496,961.54 = 198,975.22/x
  3. Step 3: Cross multiply
    360,109.79x = 496,961.54 × 198,975.22
  4. Step 4: Simplify right side
    360,109.79x = 98,883,032,125.52
  5. Step 5: Solve for x
    x = 98,883,032,125.52/360,109.79
  6. Step 6: Final answer
    x = 274,591.35

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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.