Home / 357,956.11-493,975-196,809.75

Finding the Fourth Proportional to 357,956.11, 493,975 and 196,809.75

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Solution

The fourth proportional to 357,956.11, 493,975 and 196,809.75 is: 271,595.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,956.11 : 493,975 = 196,809.75 : x
  2. Step 2: Convert to fraction form
    357,956.11/493,975 = 196,809.75/x
  3. Step 3: Cross multiply
    357,956.11x = 493,975 × 196,809.75
  4. Step 4: Simplify right side
    357,956.11x = 97,219,096,256.25
  5. Step 5: Solve for x
    x = 97,219,096,256.25/357,956.11
  6. Step 6: Final answer
    x = 271,595.02

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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.