Home / 360,050.68-496,868.36-198,905.72

Finding the Fourth Proportional to 360,050.68, 496,868.36 and 198,905.72

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Solution

The fourth proportional to 360,050.68, 496,868.36 and 198,905.72 is: 274,489.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,050.68 : 496,868.36 = 198,905.72 : x
  2. Step 2: Convert to fraction form
    360,050.68/496,868.36 = 198,905.72/x
  3. Step 3: Cross multiply
    360,050.68x = 496,868.36 × 198,905.72
  4. Step 4: Simplify right side
    360,050.68x = 98,829,958,891.02
  5. Step 5: Solve for x
    x = 98,829,958,891.02/360,050.68
  6. Step 6: Final answer
    x = 274,489.02

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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.