Home / 357,417.76-493,239.92-196,276.18

Finding the Fourth Proportional to 357,417.76, 493,239.92 and 196,276.18

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Solution

The fourth proportional to 357,417.76, 493,239.92 and 196,276.18 is: 270,863.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,417.76 : 493,239.92 = 196,276.18 : x
  2. Step 2: Convert to fraction form
    357,417.76/493,239.92 = 196,276.18/x
  3. Step 3: Cross multiply
    357,417.76x = 493,239.92 × 196,276.18
  4. Step 4: Simplify right side
    357,417.76x = 96,811,247,321.11
  5. Step 5: Solve for x
    x = 96,811,247,321.11/357,417.76
  6. Step 6: Final answer
    x = 270,863.00

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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.