Home / 357,531.01-493,395.75-196,389.72

Finding the Fourth Proportional to 357,531.01, 493,395.75 and 196,389.72

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Solution

The fourth proportional to 357,531.01, 493,395.75 and 196,389.72 is: 271,019.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,531.01 : 493,395.75 = 196,389.72 : x
  2. Step 2: Convert to fraction form
    357,531.01/493,395.75 = 196,389.72/x
  3. Step 3: Cross multiply
    357,531.01x = 493,395.75 × 196,389.72
  4. Step 4: Simplify right side
    357,531.01x = 96,897,853,191.69
  5. Step 5: Solve for x
    x = 96,897,853,191.69/357,531.01
  6. Step 6: Final answer
    x = 271,019.44

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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.