Home / 357,860.12-493,853.10-196,721.96

Finding the Fourth Proportional to 357,860.12, 493,853.10 and 196,721.96

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Solution

The fourth proportional to 357,860.12, 493,853.10 and 196,721.96 is: 271,479.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,860.12 : 493,853.10 = 196,721.96 : x
  2. Step 2: Convert to fraction form
    357,860.12/493,853.10 = 196,721.96/x
  3. Step 3: Cross multiply
    357,860.12x = 493,853.10 × 196,721.96
  4. Step 4: Simplify right side
    357,860.12x = 97,151,749,784.08
  5. Step 5: Solve for x
    x = 97,151,749,784.08/357,860.12
  6. Step 6: Final answer
    x = 271,479.68

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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.