Home / 360,110.79-496,939.47-198,962.39

Finding the Fourth Proportional to 360,110.79, 496,939.47 and 198,962.39

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Solution

The fourth proportional to 360,110.79, 496,939.47 and 198,962.39 is: 274,560.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,110.79 : 496,939.47 = 198,962.39 : x
  2. Step 2: Convert to fraction form
    360,110.79/496,939.47 = 198,962.39/x
  3. Step 3: Cross multiply
    360,110.79x = 496,939.47 × 198,962.39
  4. Step 4: Simplify right side
    360,110.79x = 98,872,262,151.84
  5. Step 5: Solve for x
    x = 98,872,262,151.84/360,110.79
  6. Step 6: Final answer
    x = 274,560.68

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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.