Home / 357,932.64-493,950.42-196,788.81

Finding the Fourth Proportional to 357,932.64, 493,950.42 and 196,788.81

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Solution

The fourth proportional to 357,932.64, 493,950.42 and 196,788.81 is: 271,570.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,932.64 : 493,950.42 = 196,788.81 : x
  2. Step 2: Convert to fraction form
    357,932.64/493,950.42 = 196,788.81/x
  3. Step 3: Cross multiply
    357,932.64x = 493,950.42 × 196,788.81
  4. Step 4: Simplify right side
    357,932.64x = 97,203,915,350.80
  5. Step 5: Solve for x
    x = 97,203,915,350.80/357,932.64
  6. Step 6: Final answer
    x = 271,570.41

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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.