Home / 357,345.03-493,137.09-196,210.53

Finding the Fourth Proportional to 357,345.03, 493,137.09 and 196,210.53

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Solution

The fourth proportional to 357,345.03, 493,137.09 and 196,210.53 is: 270,771.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,345.03 : 493,137.09 = 196,210.53 : x
  2. Step 2: Convert to fraction form
    357,345.03/493,137.09 = 196,210.53/x
  3. Step 3: Cross multiply
    357,345.03x = 493,137.09 × 196,210.53
  4. Step 4: Simplify right side
    357,345.03x = 96,758,689,791.56
  5. Step 5: Solve for x
    x = 96,758,689,791.56/357,345.03
  6. Step 6: Final answer
    x = 270,771.05

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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.