Home / 359,983.16-496,734.18-198,828.60

Finding the Fourth Proportional to 359,983.16, 496,734.18 and 198,828.60

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Solution

The fourth proportional to 359,983.16, 496,734.18 and 198,828.60 is: 274,359.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,983.16 : 496,734.18 = 198,828.60 : x
  2. Step 2: Convert to fraction form
    359,983.16/496,734.18 = 198,828.60/x
  3. Step 3: Cross multiply
    359,983.16x = 496,734.18 × 198,828.60
  4. Step 4: Simplify right side
    359,983.16x = 98,764,961,581.55
  5. Step 5: Solve for x
    x = 98,764,961,581.55/359,983.16
  6. Step 6: Final answer
    x = 274,359.95

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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.