Home / 360,122.52-496,972.89-198,973.56

Finding the Fourth Proportional to 360,122.52, 496,972.89 and 198,973.56

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Solution

The fourth proportional to 360,122.52, 496,972.89 and 198,973.56 is: 274,585.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,122.52 : 496,972.89 = 198,973.56 : x
  2. Step 2: Convert to fraction form
    360,122.52/496,972.89 = 198,973.56/x
  3. Step 3: Cross multiply
    360,122.52x = 496,972.89 × 198,973.56
  4. Step 4: Simplify right side
    360,122.52x = 98,884,465,146.79
  5. Step 5: Solve for x
    x = 98,884,465,146.79/360,122.52
  6. Step 6: Final answer
    x = 274,585.62

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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.