Home / 357,867.42-493,858.64-196,732.85

Finding the Fourth Proportional to 357,867.42, 493,858.64 and 196,732.85

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Solution

The fourth proportional to 357,867.42, 493,858.64 and 196,732.85 is: 271,492.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,867.42 : 493,858.64 = 196,732.85 : x
  2. Step 2: Convert to fraction form
    357,867.42/493,858.64 = 196,732.85/x
  3. Step 3: Cross multiply
    357,867.42x = 493,858.64 × 196,732.85
  4. Step 4: Simplify right side
    357,867.42x = 97,158,217,744.32
  5. Step 5: Solve for x
    x = 97,158,217,744.32/357,867.42
  6. Step 6: Final answer
    x = 271,492.21

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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.