Home / 358,835.68-495,190.88-197,687.04

Finding the Fourth Proportional to 358,835.68, 495,190.88 and 197,687.04

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Solution

The fourth proportional to 358,835.68, 495,190.88 and 197,687.04 is: 272,806.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,835.68 : 495,190.88 = 197,687.04 : x
  2. Step 2: Convert to fraction form
    358,835.68/495,190.88 = 197,687.04/x
  3. Step 3: Cross multiply
    358,835.68x = 495,190.88 × 197,687.04
  4. Step 4: Simplify right side
    358,835.68x = 97,892,819,302.20
  5. Step 5: Solve for x
    x = 97,892,819,302.20/358,835.68
  6. Step 6: Final answer
    x = 272,806.82

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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.