Home / 357,926.45-493,938.81-196,784.24

Finding the Fourth Proportional to 357,926.45, 493,938.81 and 196,784.24

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Solution

The fourth proportional to 357,926.45, 493,938.81 and 196,784.24 is: 271,562.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,926.45 : 493,938.81 = 196,784.24 : x
  2. Step 2: Convert to fraction form
    357,926.45/493,938.81 = 196,784.24/x
  3. Step 3: Cross multiply
    357,926.45x = 493,938.81 × 196,784.24
  4. Step 4: Simplify right side
    357,926.45x = 97,199,370,862.66
  5. Step 5: Solve for x
    x = 97,199,370,862.66/357,926.45
  6. Step 6: Final answer
    x = 271,562.42

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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.