Home / 196,813.10-295,248.45-103,325.90

Finding the Fourth Proportional to 196,813.10, 295,248.45 and 103,325.90

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Solution

The fourth proportional to 196,813.10, 295,248.45 and 103,325.90 is: 155,003.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,813.10 : 295,248.45 = 103,325.90 : x
  2. Step 2: Convert to fraction form
    196,813.10/295,248.45 = 103,325.90/x
  3. Step 3: Cross multiply
    196,813.10x = 295,248.45 × 103,325.90
  4. Step 4: Simplify right side
    196,813.10x = 30,506,811,819.86
  5. Step 5: Solve for x
    x = 30,506,811,819.86/196,813.10
  6. Step 6: Final answer
    x = 155,003.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.